Chikubu is an island in Lake Biwa in Japan. Chikubushima is a nationally-designated Place of Scenic Beauty and Historic Site. Its area is 0.14 km² and its coastline measures 2 km. The highest point has an elevation of 197 m. It is under the administration of the city of Nagahama, Shiga Prefecture.Several works of the Japanese performing arts relate to Chikubu. They include the Noh play Chikubushima and the Heike Biwa work Chikubushima Mōde, two Koto melodies named Chikubushima, a jōruri (itchūbushi), a nagauta, and a tokiwazu-bushi of the same name.
On the island their are various places of interests. In the southern part are the Tsukubusuma Shrine, said to have been established in 420, and Hōgon-ji, a Shingon temple said to date from 724. Formerly known as Chikubu Benzai-ten, it ranks with the Enoshima Shrine in the Kantō region and the Itsukushima Shrine in the Chūgoku Region as one of Japan's Three Great Benzaiten Shrines.