Indonesia dị n'agbata latitude 11°S na 6°N, na longitude 95°E na 141°E. Ọ bụ obodo kachasị ukwuu n'ụwa, na-agbatị 5,120 kilomita (3,181 mi) site n'ebe ọwụwa anyanwụ ruo n'ebe ọdịda anyanwụ na 1,760 kilomita (1,094 mi) site n'ebe ugwu ruo n'ebe ndịda. Dabere na Coordinating Ministry for Maritime Affairs nke mba ahụ, Indonesia nwere agwaetiti 17,504 (16,056 nke edebanyere aha na UN), gbasasịa n'akụkụ abụọ nke equator, na ihe dị ka 6,000 n'ime ha bi na ya. Ndị kasị ukwuu bụ Java, Sum, Borneo (nke a na-ekerịta na Brunei na Malaysia), Sulawesi, na New Guinea (nke a na-ekerịta na Papua New Guinea). Indonesia nwere oke ala na Malaysia na Borneo, Papua New Guinea na agwaetiti Indonesia, na agwaetiti East Timor na Palau, oke osimiri na Malaysia, Singapore, Australia, Vietnam, na Philippines.
17, 504