What Is GREEN×EXPO 2027? Dates, Venue, Highlights, and Exhibitor Information for the International Horticultural Expo in Yokohama, Japan
GREEN×EXPO 2027 (International Horticultural Expo 2027, Yokohama, Japan) will be held from March 19 to September 26, 2027, at the former Kamiseya Communication Facility in Yokohama, Kanagawa Prefecture.
The expo will focus on flowers, greenery, agriculture, food, and coexistence with nature, featuring exhibits and experiential programs from Japan and around the world. This article provides an overview of the event, including key information on the venue, theme, and participation opportunities, and will be updated as new details are announced.
What Is GREEN×EXPO 2027? Official Theme: “Scenery of the Future for Happiness”
GREEN×EXPO 2027, officially known as the International Horticultural Expo 2027, Yokohama, Japan, is an international exposition that will be held at the former Kamiseya Communication Facility in Yokohama, Kanagawa, from March to September 2027.
The official theme of the expo is “Scenery of the Future for Happiness.” Based on the idea that flowers, greenery, agriculture, and food have long supported people’s lives and well-being, the event aims to promote a renewed appreciation of plants and natural capital while exploring pathways toward a sustainable future and an inclusive society where no one is left behind.
The expo is classified as an A1 International Horticultural Expo, the highest category of horticultural exposition, approved by the International Association of Horticultural Producers (AIPH) and recognized by the Bureau International des Expositions (BIE).
International horticultural expos are intended not only to promote horticulture and landscape design, but also to encourage lifestyles enriched by flowers and greenery, support regional and economic development, and contribute to addressing social challenges. Through themes such as harmony with nature, coexistence through greenery and agriculture, the creation of new industries, and collaboration across Japan and the international community, GREEN×EXPO 2027 will present a vision of a future in which cities and nature thrive together.
The venue, the former Kamiseya Communication Facility, is a large site returned by the United States military in 2015. The area retains farmland, grasslands, river headwaters, and traditional yato valley landscapes, providing a setting that highlights Yokohama’s natural capital.
In addition to displays featuring flowers and greenery, the expo will include several themed Villages focusing on technology, manufacturing, agriculture and food, children’s learning, and satoyama lifestyles.
Event Overview
Event Name: International Horticultural Expo 2027, Yokohama, Japan
Common Name: GREEN×EXPO 2027
Theme: Scenery of the Future for Happiness
Dates: March 19 – September 26, 2027
Venue: Former Kamiseya Communication Facility
City: Yokohama, Kanagawa, Japan
Expo Site Area: Approximately 100 hectares (80 hectares exhibition area)
Class: A1 International Horticultural Expo (approved by AIPH and recognized by BIE)
Expected Visitors: 15 million
Paid Visitors: More than 10 million
Organizer: Japan Association for the International Horticultural Expo 2027
Official Mascot: Tunk Tunk
Official Ambassadors: Mana Ashida, Yuzu
Website:https://expo2027yokohama.or.jp/
Countries and International Organizations Participating in GREEN×EXPO 2027
As of June 3, 2026, 70 Countries and Regions Have Confirmed Participation
As of June 3, 2026, a total of 70 countries and regions had officially expressed their intention to participate in GREEN×EXPO 2027. The list has been compiled by the MICE TIMES ONLINE editorial team based on information published by Japan’s Ministry of Foreign Affairs and organized by region.
Participating Countries and International Organizations by Region
Asia
Republic of India, Republic of Indonesia, Kyrgyz Republic, Kingdom of Thailand, Republic of Korea, Republic of Tajikistan, Turkmenistan, Nepal, Democratic Republic of Timor-Leste, Republic of the Philippines, Kingdom of Bhutan, Socialist Republic of Vietnam, Malaysia, Mongolia, Lao People’s Democratic Republic
Middle East
Republic of Yemen, State of Qatar, Syrian Arab Republic, Hashemite Kingdom of Jordan, Republic of Lebanon
Europe
Republic of Azerbaijan, Italian Republic, Republic of Croatia, Kingdom of Spain, Republic of Serbia, Grand Duchy of Luxembourg
North America
United States of America
Latin America
Republic of Ecuador, Republic of Haiti, Republic of Panama, Plurinational State of Bolivia
Africa
Republic of Angola, Republic of Uganda, Arab Republic of Egypt, Kingdom of Eswatini, Federal Democratic Republic of Ethiopia, Republic of Ghana, Republic of Cameroon, Republic of The Gambia, Republic of Guinea, Republic of Kenya, Republic of Côte d’Ivoire, Union of the Comoros, Democratic Republic of the Congo, Democratic Republic of São Tomé and Príncipe, Republic of Djibouti, Republic of Zimbabwe, Republic of the Sudan, Republic of Seychelles, Republic of Equatorial Guinea, Federal Republic of Somalia, Republic of Chad, Central African Republic, Togolese Republic, Republic of Burundi, Republic of Benin, Republic of Botswana, Republic of Madagascar, Republic of Malawi, Republic of Mali, Republic of South Sudan, Islamic Republic of Mauritania, Republic of Mozambique, Kingdom of Morocco, Republic of Liberia, Kingdom of Lesotho
Oceania
Solomon Islands, Republic of Palau, Republic of Fiji, Federated States of Micronesia
International Organizations
International Tropical Timber Organization (ITTO)
International Fund for Agricultural Development (IFAD)
United Nations University (UNU)
United Nations Human Settlements Programme (UN-Habitat)
World Food Programme (WFP)
Japan Government Garden: A 2.5-Hectare Exhibition, the Largest at the Expo, Featuring the “Reiwa Japanese Garden” for Experiencing Dialogue with Nature
Ikebana exhibition image (Source: Announcement)
Japan’s Ministry of Agriculture, Forestry and Fisheries and Ministry of Land, Infrastructure, Transport and Tourism will jointly present the Japan Government Garden.
Covering 2.5 hectares, it will be the largest exhibition area at the expo. Taking into account its location at the headwaters of the Izumi River, the garden and exhibition facilities will be designed with consideration for reducing environmental impact.
At the center of the exhibit will be the “Reiwa Japanese Garden,” which incorporates the concept of green infrastructure, including water circulation and the restoration of local vegetation, while drawing on the traditions and techniques of Japanese garden culture.
Garden viewing area image (Source: Announcement)
The exhibition hall will introduce the natural environments of different regions of Japan through an immersive theater experience. It will also display knowledge and techniques that have been developed through people’s relationship with nature, as well as ikebana arrangements and bonsai from the collection of the Imperial Household Agency.
The exhibition is also expected to feature historically significant bonsai, including “Kashima,” a 390-year-old Japanese black pine that was exhibited at Expo ’70 in Osaka.
Japan Government Garden website:https://expo2027-japan.go.jp/
Village Exhibitions and Themed Commercial Facilities
The “Village Exhibitions” at GREEN×EXPO 2027 are co-creation projects that combine a variety of exhibits and experiential programs. The expo site will feature five Villages, each with a different theme.
Urban GX Village: A place to experience the latest technologies supporting a green society.
Craft Village: A place showcasing traditional Japanese craftsmanship developed in harmony with nature.
Farm & Food Village: A place where visitors can explore well-being through agriculture and food.
Kids Village: A place where children can learn about nature and the future of the planet through enjoyable experiences.
SATOYAMA Village: A place to rediscover the comfort of lifestyles in which people and nature coexist.
Themed commercial facilities are planned as business operations that combine outdoor spaces, such as gardens and plazas, with commercial facilities in line with the expo’s concept.
Sotetsu Group: Discovering Local Nature and Wildlife at SOTETSU PARK
Sotetsu Group will present SOTETSU PARK in the Kids Village. The concept of the exhibit is “Friends and Habitats.”
Drawing on the harmonious relationship between people and nature that has developed along the Sotetsu railway line, the exhibit aims to help children discover the wildlife living around them and deepen their interest in and appreciation for nature through play equipment and inquiry-based content.
The dedicated website introduces species that reflect the natural environment along the railway corridor, including the Japanese common toad (Azuma-hikigaeru), common kingfisher, Japanese mitten crab, Japanese hare, northern goshawk, and pale grass blue butterfly.
Ahead of the expo, Sotetsu Group is also organizing educational programs under the banner of “Sotetsu Line Learning Club with EXPO.” Activities include aquatic wildlife observation programs and evening firefly watching events.
The exhibit is designed to provide children with opportunities to engage with local nature and become “friends” with the living creatures that share their environment.
Website:https://sotetsu-expo2027.com/
Tokyu Group: Proposing a “GREEN LIFESTYLE 2050” at the Tokyu Group Pavilion
Tokyu Group will present the Tokyu Group Pavilion in the Urban GX Village at GREEN×EXPO 2027.
The exhibition theme is “GREEN LIFESTYLE 2050: Growing from Seeds, Connecting the Future.” Through the pavilion, Tokyu Group will present a new lifestyle model that integrates nature and urban living.
The group, which operates businesses in transportation, real estate, lifestyle services, hotels, and resorts, will showcase its vision for a future in which cities and nature coexist and support one another.
The pavilion name uses the hiragana spelling “とうきゅう” (Tokyu) to express the unity and comprehensive strengths of the Tokyu Group while creating a sense of familiarity for visitors of all generations.
The building is designed to resemble seeds nestled together when viewed from above, conveying the message that individual actions can lead to meaningful changes in the future.
Through its participation in GREEN×EXPO 2027, Tokyu Group aims to create a space where visitors can explore ideas for sustainable and fulfilling urban lifestyles together.
Website：https://tokyugroup-greenexpo2027.jp/
TOHO LEO Corporation Holds Kickoff Event for “Yasashiku Naritai. STUDIO”
TOHO LEO Corporation held a kickoff event at Kudan House on May 27, 2026, to mark the launch of its GREEN×EXPO 2027 Village exhibit, “Yasashiku Naritai. STUDIO” (“I Want to Be Kinder. STUDIO”).
The project carries forward the concept of the Panasonic Group Pavilion, “The Land of NOMO,” from Expo 2025 Osaka, Kansai, Japan, while reusing the pavilion’s iconic façade designed by architect Yuko Nagayama. It is positioned as an initiative that promotes the circulation and reuse of architecture from one exposition to the next.
The event featured speakers including Kundo Koyama, Yuko Nagayama, Keiko Kimura, and Yutaka Mita of TOHO LEO Corporation.
The program included a hop seedling planting ceremony, a special talk session on the theme of “The Future of Architecture and Community,” and a networking reception. Through these activities, the project presented its vision for new experiences centered on the concept of the “8-Year-Old Adult.”
Website:https://yasashikunaritai.studio/
NTT East: The NTT EAST Pavilion Showcases an Experiential Vision of a Well-Being Society
NTT East will present the NTT EAST Pavilion in the Urban GX Village at GREEN×EXPO 2027.
The pavilion is based on the concept of “Well.” Drawing on the company’s vision of co-creating a regional circular society, the exhibit will present an experiential vision of a well-being society in which industry, nature, and culture exist in harmony and happiness circulates throughout communities.
Through the exhibit, NTT East will showcase a future in which people, local communities, nature, and industry are connected, leveraging its experience in addressing regional challenges through telecommunications and ICT technologies.
The pavilion is planned to feature a green exterior design and a circular canopy. In addition to highlighting the company’s information and communications technologies, the exhibit aims to communicate the relationship between local communities and the environment to visitors.
Website:https://www.ntt-east.co.jp/greenexpo2027/
Mitsubishi Group: Mitsubishi Minna no Miraikan Promotes the Theme “Connecting Together for a Prosperous Earth”
Mitsubishi Group will present the Mitsubishi Minna no Miraikan pavilion at GREEN×EXPO 2027.
The pavilion name builds on the legacy of the Mitsubishi Future Pavilion, which has continued through successive expositions since Expo ’70 in Osaka, while incorporating the idea of “creating a happy tomorrow together.”
The exhibition theme is “Connecting Together for a Prosperous Earth.” Through the exhibit, Mitsubishi Group aims to provide visitors with an opportunity to reflect on the importance of working together to address the challenges of future urbanization and coexistence with nature.
The building is designed to represent a large collective form created from many small pieces, symbolizing the contribution of individuals to a shared future. Architectural design is being led by a project team from Mitsubishi Jisho Design Inc.
To help reduce environmental impact, the pavilion is planned to utilize a GX House provided by the expo association.
KT Group: Mobi+ Pavilion Showcases “Scenery of Tomorrow Created Through Mobility”
KT Group will present an exhibit in the Urban GX Village area of GREEN×EXPO 2027. The name of its pavilion is Mobi+.KT Group traces its origins to Kanagawa Toyota Sales, established in 1939. Through mobility services, the group has supported local communities by connecting people and transporting goods throughout the region.
For GREEN×EXPO 2027, KT Group will showcase its concept of Mobility Life Design. Building on the transporting power of automobiles, the exhibit will present a vision of a new society in which resources circulate more sustainably and efficiently.
The pavilion name “Mobi+” reflects the idea of adding new possibilities to mobility, connecting people, resources, and everyday life to create new value.
In line with GREEN×EXPO 2027’s theme, “Scenery of the Future for Happiness,” the pavilion will feature exhibits that allow visitors to experience visions of future lifestyles shaped through mobility.
Sumitomo Forestry: “100 Forests” Explores the Potential of Forests Through 100 Perspectives
Sumitomo Forestry Co., Ltd. will present the Sumitomo Forestry Pavilion “100 Forests” in the Craft Village.
The pavilion concept is “100EYES, 100FORESTS.” Drawing on the company’s history of working with forests, trees, and plants since its founding in 1691, the exhibit will offer visitors opportunities to explore wood and forests from a wide range of perspectives.
Based on the idea that “the appearance of a forest changes depending on who is looking at it,” the pavilion will examine the life, knowledge, and possibilities hidden within forests through viewpoints including children, science, culture, economics, and urban development.
The pavilion will include a second-floor deck space overlooking surrounding vegetation and symbolic trees. Natural materials are planned for both the interior and exterior of the building.
The exhibit will also reflect the company’s wood cycle business model, which spans forest management, timber and building materials, wooden construction, real estate development, and woody biomass power generation, presenting a vision of the future shaped by forests and wood.
Website:https://sfc.jp/expo2027/
Kajima Corporation: “KAJIMA TREE,” a Timber Tower Carrying Forward the Legacy of Expo 2025 Osaka, Kansai, Japan
Kajima Corporation will present the timber tower “KAJIMA TREE” at GREEN×EXPO 2027. A central feature of the project is the reuse of timber from the Grand Ring of Expo 2025 Osaka, Kansai, Japan. Following the dismantling of the Grand Ring, the timber is being stored and managed in Tatebayashi City, Gunma Prefecture, and is scheduled to be reused as structural material for KAJIMA TREE.
By giving new life to timber that welcomed millions of visitors at Expo 2025 and bringing it to the Yokohama venue, the project aims to create a landmark that carries forward the legacy of the expo while demonstrating the principles of resource circulation.
The structure will incorporate Kajima’s timber seismic control technology, developed from the company’s expertise in vibration control engineering. Plans include the use of a Kumiki Seismic Control System, designed to absorb forces generated by wind and earthquakes.
Through KAJIMA TREE, Kajima aims to express its environmental vision of decarbonization, resource circulation, and nature restoration through timber architecture.
Website:https://www.kajima.co.jp/sp_contents/expo2027yokohama/
Daiwa House Group: “Future Living” Shaped by Wind, Sun, Water, and Greenery
Daiwa House Group will present the Daiwa House Group Endless Heart Park as a Village exhibit at GREEN×EXPO 2027. The concept of the exhibit is “Future Living Created by Wind, Sun, Water, and Greenery.” Inspired by founder Nobuo Ishibashi’s philosophy that “the 21st century will be the age of wind, sun, and water,” the exhibit will present a vision of future living in which people, communities, daily life, and greenery exist in harmony while benefiting from the gifts of nature.
The facility’s design incorporates the interaction and changing relationships between wind, sunlight, water, and greenery through features such as reflective water surfaces that spread sunlight, the shade of tall trees, and planters distributed throughout the site.
The exhibit site will cover approximately 1,237 square meters. Daiwa House Industry will serve as the lead participating company, while Fujita and Daiwa Lease will be responsible for design and construction.
Through the exhibit, the group aims to communicate its corporate vision: “Bringing the Joy of Living to the Landscapes of the Future.”
Website:https://www.daiwahouse.co.jp/greenexpo2027/index.html
Takenaka Group: “Kurukuru-ku,” a Pavilion Exploring the Circulation of Materials, Life, and Form
Takenaka Group will present the exhibition facility “Kurukuru-ku” in the Craft Village area of GREEN×EXPO 2027.
The pavilion name expresses the circulation of materials, life, and form. Visitors will explore a pavilion spread beneath flower petal-shaped openings in the landscape while experiencing the continuous cycle of materials as they move through the exhibit.
The exhibit is being presented by seven companies led by Takenaka Corporation: Takenaka Civil Engineering & Construction, Asahi Facilities, Asahi Kosan, TAK Living, Offgrid Field, and Takenaka Road Construction.
Throughout the processes of design, construction, and dismantling, the project aims to achieve a 99% material reuse rate.
The pavilion will communicate a vision of society that harmonizes decarbonization, resource circulation, and coexistence with nature while restoring and regenerating the benefits provided by the natural environment and supporting creative ways of living.
Website:https://www.takenaka.co.jp/greenexpo2027
Shimizu Corporation: “Shimizu Forest Town” Encourages Visitors to Grow Tomorrow Together with the Earth
Shimizu Corporation will present “Shimizu Forest Town” in the Kids Village at GREEN×EXPO 2027.
The concept of the exhibit is “Growing Tomorrow Together with the Earth.” Designed with children at its center, the exhibit will offer an opportunity to explore a forest environment while experiencing sunlight, water, the scent of soil, and the texture of greenery.
Through hands-on experiences, children and their families will be encouraged to consider questions such as, “What can we do to live in harmony with the Earth?” and “Can we make the Earth healthier through what we create?” The exhibit aims to foster learning about the importance of nature through play.
The pavilion also presents a perspective on the construction industry as part of the Earth’s larger ecosystem. Based on the idea that both people and buildings are part of nature, it envisions a future in which individual buildings are organically connected as components of the planet and function collectively like a forest.
Website:https://www.shimz.co.jp/special/greenexpo2027/
Recommended GREEN×EXPO 2027 Articles Previously Published by MICE TIMES ONLINE
Expo 2025 Pavilion “null²,” Produced by Yoichi Ochiai, to Be Reimagined for GREEN×EXPO 2027
https://micetimes.jp/ull2-yokohama-greenexpo/
One Year to Go Until GREEN×EXPO 2027: Latest Developments and Key Updates
https://micetimes.jp/1year-greenexpo/
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https://micetimes.jp/store-open-greenexpo-2027/
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