Palau (also known as Belau) is located in the western extremities of the Pacific Ocean. It consists of the Palau group of islands, in the western Caroline Islands, and four remote islands to the SW . Palau is isolated from larger land masses, with Papua New Guinea/Irian Jaya (Indonesia) 660 km (410 mi) to the S , the Philippines 885 km (550 mi) to the W , and Japan 3,042 km (1,890 mi) to the N . Yap Island in the Federated States of Micronesia lies 579 km (360 mi) to the NE . The country consists of more than 200 islands, with a total land area of 458 sq km (177 sq mi). Babelthuap is the largest island, with an area of 397 sq km (153.2 sq mi); Koror Island, containing the capital, has an area of 18 sq km (7.1 sq mi). The islands of Peleliu and Angaur are about 50 km (30 mi) S of Koror. Sonsorol and Hatohobei, the two smallest island states, lie 560–640 km (350–400 mi) SW of Koror. Kayangel is a coral atoll 45 km (28 mi) N of Babelthuap.