Geography
Area: 2 million sq. km. (736,000 sq. mi.), about three times the size of Texas; maritime area: 7,900,000 sq. km.
Cities: Capital--Jakarta (est. 8.8 million). Other cities--Surabaya 3.0 million, Medan 2.5 million, Bandung 2.5 million, plus an additional 3 million in the surrounding area.
Terrain: More than 17,000 islands; 6,000 are inhabited, 1,000 of which are permanently settled. Large islands consist of coastal plains with mountainous interiors.
Climate: Equatorial but cooler in the highlands.
source: http://www.state.gov