The Ryukyu Islands /riˈuːkjuː/, known in Japanese as the Nansei Islands and also known as the Ryukyu Arc, are a chain of volcanic Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yonaguni the southernmost. The largest of the islands is Okinawa. The islands have a subtropical climate with mild winters and hot summers.