Indonesia is a group of islands located south of the Gulf of Thailand. The population of indonesia is 229,965,000, and the total land area is 735,355. The GDP per capita is $2,246 each year. The largest nearby body of water is the ocean. The official language of indonesia is Austronesian. While I was in Indonesia I went to Deer cave a huge cave in the jungle just south of Brunei. I also visited Gunung Mulu National Park.