Indonesia, () officially the Republic of Indonesia, (Indonesian: "Republik Indonesia") is a nation in Southeast Asia. It is part of the Malay Islands. It has 18,108 islands. People live on about 6,000 of these islands. The most important islands of Indonesia are Java, Bali, Borneo, Sulawesi, and Sumatra. The capital of Indonesia is Jakarta, on Java. The president now is Joko Widodo. Modern Indonesia began on the 17th of August 1945. At 10 o'clock on that Friday morning, Sukarno read Indonesia's Declaration of Independence. Indonesia's Independence Day is a national holiday.