#Japan #Ota #Ota Ward #Kihara #Atre Omori

Atre Omori Celebrates Two Decades of Community Engagement

From October 27 to November 15, 2023, Atre Omori, operated by Atre Co., Ltd., is proudly holding a 20th anniversary festival titled #ズットアトレ大森～アトレになって20年～. This event marks two decades since the transformation from Omori Primo to Atre Omori and aims to deepen connections with customers and the local community while envisioning the future together.

A Journey into the Future

With the theme of “future,” the festival comprises a variety of activities divided into three main categories: events, collaborations with the community, and special shop promotions.

Hope for the Future: The Omori Tree

One of the standout features is the Omori Tree, an interactive installation where visitors are invited to attach messages about the future they envision for Omori. This collaboratively created tree will later be transformed into the Omori Wall, which will be showcased within Atre Omori to welcome guests from the community.

• - Event Dates: October 27 - November 15
• - Location: 5th Floor Free Space (Omori Wall will be displayed on the 3rd Floor Free Space)

For more details, visit here.

Weather Exploration Workshop by Meteorologist Kihara

On November 1, renowned meteorologist Kihara will guide a weather workshop tailored for children. This exciting event allows youngsters to learn about weather patterns through engaging practical experiments.

Workshop Curriculum:

• - Understanding weather and disaster prevention.
• - Hands-on experiments: Creating Clouds, Pressure Experiments, and Evaporation Heat Experiments.
• - Discussing SDGs and climate change.

• - Session Times: 11:00 AM and 2:00 PM (each session 40 minutes long)
• - Location: Atre Omori Hall
• - Capacity: 60 participants per session (reservation recommended)
• - Fee: 500 yen per person (tax included)

For further details, check here.

Collaborations with Local Schools

In partnership with local educational institutions, Atre Omori will showcase a special exhibition that highlights students' aspirations for the future. This initiative includes:

Atre Omori and the 150th Anniversary of Iriai First Elementary School

As part of the Ota Future Development project, Iriai First Elementary School will display works created by students based on the theme “Omori in 〇〇 years”.

• - Exhibition Dates: October 27 - November 15
• - Location: In front of Uniqlo on the 2nd Floor

More info can be found here.

Collaborative Short Drama Series

As a precursor to the festival, a short drama titled “Welcome to 20 Years of Atre Omori” will be featured on Atre Omori’s official Instagram, created in collaboration with students from the Japan Arts Academy. This exhibition will showcase behind-the-scenes action and memorable scenes from the filming.

• - Exhibition Dates: October 27 - November 15
• - Location: 5th Floor Gallery Space

For additional details about the short drama, visit here.

Special Promotions and Sustainable Initiatives

In celebration of its 20th anniversary, Atre Omori is introducing limited edition products across various shops and promoting sustainable practices, such as:

• - Collecting unwanted items.
• - Encouraging the use of personal reusable items to reduce waste.
• - Minimizing food loss.
• - Selling recycled products.

Details for these initiatives can be found through the following links:

• - Unwanted Item Collection
• - Reducing Single-use Plastics
• - Food Loss Reduction Measures
• - Recycled Goods for Sale
• - Other Initiatives

Facility Overview

• - Facility Name: Atre Omori
• - Location: 1-6-16 Omori Kita, Ota City
• - Operating Hours: Shopping 10:00 AM - 9:00 PM (Some stores may have different hours), Restaurant 11:00 AM - 10:30 PM
• - Total Floors: 10 (including the basement)
• - Total Area: 41,504 square meters
• - Number of Stores: 102 stores (as of October 14, 2025)

Company Information

• - Company Name: Atre Co., Ltd.
• - Company Location: 6F Ebisu Neonart, 4-1-18 Ebisu, Shibuya
• - Founded: April 2, 1990
• - Capital: 1.63 billion yen
• - CEO: Hiroyuki Takahashi
• - Business Scope: Management and operation of station buildings, etc.

Visit Atre Omori for the latest updates!

This 20th anniversary festival promises to be a wonderful opportunity to celebrate the past while actively engaging in conversations about the future.