The Republic of Indonesia consists of five large islands and 13,677 smaller islands (about 6,000 of which are inhabited) forming an arc between Asia and Australia. With a total area of 1,919,440 sq km (741,100 sq mi), Indonesia is the fourth-largest Asian country, after China, India, and Sa'udi Arabia. Comparatively, the area occupied by Indonesia is slightly less than three times the size of the state of Texas. It extends 5,271 km (3,275 mi) E – W and 2,210 km (1,373 mi) N – S . The five principal islands are Sumatra; Java; Borneo, of which the 72% belonging to Indonesia is known as Kalimantan; Sulawesi, formerly called Celebes; and Irian Jaya (West Irian), the western portion of the island of New Guinea. Indonesia has land boundaries with Malaysia (on Borneo), Papua New Guinea (on New Guinea), and East Timor (on Timor). It is bounded on the N by the South China Sea, on the N and E by the Pacific Ocean, and on the S and W by the Indian Ocean. Indonesia's total land boundary length is 2,830 km (1,758 mi). Its coastline is 54, 716 km (33,999 mi).
Indonesia's capital city, Jakarta, is located on the island of Java.