The Danjo Islands are a small uninhabited Japanese island group in the East China Sea situated approximately 70 kilometres (43 mi) south-southwest of the Gotō Islands and administratively part of the city of Gotō, Nagasaki Prefecture. The five main islands of O-shima (男島) Kuroki-jima (クロキ島), Yori-shima (寄島), Hanaguri-jima (ハナグリ島), and Me-shima (女島) together stretch some 10 kilometres (6.2 mi) from north to south and cover an area of 4.7 square kilometres (1.8 sq mi). The islands, their flora, and their fauna are protected as a Natural Monument, Biotic Community Protection Forest, Special Wildlife Protection Area, and Important Bird Area. Birds found on the islands include the Japanese murrelet, streaked shearwater, brown booby, Ryukyu robin, Japanese wood pigeon, and Pleske's grasshopper warbler.