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Koshigaya, the city with a green heart and family-friendly attractions, is like the suburban retreat in Saitama Prefecture. Known for its parks, recreational facilities, and cultural events, it’s a city that caters to residents of all ages. Located in the Greater Tokyo Area, offering a peaceful residential environment. Home to the expansive Koshigaya Park and the vibrant Koshigaya Laketown shopping district. Features the annual Koshigaya Summer Festival, with fireworks and traditional performances.