The Koishikawa Kōrakuen (小石川後楽園) is a large urban park in the Koishikawa neighborhood of Bunkyō, Tokyo, Japan. The Japanese garden dates from the early Edo period. and is one of three surviving daimyō gardens of the many that were created during that period, the others being the Rikugi-en and the Hama Rikyū gardens.
Koishikawa (小石川) is a district of Bunkyo, Tokyo. It consists of five sub-areas, 1-5 chome (1~5丁目). In Koishikawa are located two well regarded gardens: the Koishikawa Botanical Garden (operated by the University of Tokyo) in Hakusan, and the Koishikawa Korakuen Garden in Kōraku.
Train stations for accessing this locality include Hakusan Station (白山駅, Hakusan-eki), Kōrakuen Station (後楽園駅, Kōrakuen-eki), Kasuga Station (春日駅, Kasuga-eki), and Myōgadani Station (茗荷谷駅, Myōgadani-eki).