Kōko-enKōko-en is a Japanese garden located next to Himeji Castle in Hyōgo Prefecture, Japan.WWW himeji-machishin.jp/ryokk...𝕏 kokoen_officialIG kokoen_officialHistoryIt was constructed in 1992 at the site of the lord's west residence, to commemorate the 100th anniversary of the establishment of the Himeji municipality. In 2017, Kōko-en signed a sister garden agreement with Rohō-en, the Japanese Friendship Garden, in its sister city, Phoenix, Arizona.LayoutThe garden is about 3.5 hectares and has nine different gardens.