Koishikawa is a district of Bunkyo, Tokyo. It consists of five sub-areas, 1-5 chome. It is located nearby with the same name are two well regarded gardens: the Koishikawa Botanical Garden in Hakusan, and the Koishikawa Korakuen Garden in Korakuen. Train stations for accessing this locality include Hakusan Station 白山駅, Hakusan-eki, Kōrakuen Station 後楽園駅, Kōrakuen-eki, and Myōgadani Station. The Koishikawa arsenal was an important military installation during the Meiji era.
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