ryukyu islands, also nansei islands, japanese island chain, political map

ryukyu islands nansei ryukyu nansei arc island japan map okinawa kagoshima kyushu japanese archipelago taiwan china east china sea philippine pacific north yonaguni amami sakishima satsunan senkaku osumi island chain volcanic miyako yaeyama tokara daito tanegashima yakushima ishigaki iriomote taipei shanghai country asia mapping atlas cartography geography coast travel destination political vector