Kawagoe Castle is a historic site located in Kawagoe, Saitama Prefecture, Japan. Originally built in the early 15th century, it served as a residence for the Uesugi clan during the Edo period. The castle features a unique architectural style and is surrounded by beautiful gardens, making it a popular destination for visitors. Today, only a few structures remain, including the Honmaru, which was the main keep. The castle is part of the Kawagoe Castle Historical Site, where visitors can learn about its history and the role it played in regional governance.