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View from a hill of Shiraishi Island

The Kasaoka Islands (笠岡諸島, Kasaoka Shotō) are a group of 31 islands in the Seto Inland Sea of Okayama Prefecture. They are part of the city of Kasaoka.

The seven inhabited islands in the group are:

Coordinates: 34°26′28″N 133°23′43″E / 34.44111°N 133.39528°E / 34.44111; 133.39528