Tsukubusuma Shrine (é½习夫é Â麻ç¥Â社, Tsukubusuma Jinja) is a Shinto shrine on Chikubu Island in Shiga Prefecture, Japan. Its is a National Treasure of Japan. The shrine's main festival is held annually on June 15. It is also called Chikubushima Shrine (竹çÂÂå³¶ç¥Â社, Chikubushima Jinja).