Official Name : Federation of East Indies (Federatie van Oost-Indië) Total Area : 1.919.000 km2 Official Language : Dutch, Javanese, Malays Independence : 1890 Population : 262 million (2023) Capital : Batavia (10 million) Largest City : Batavia (10.2 million), Soerabaja (5.6 million) President : Soedirno Mangoenkoesoemo (2018-) Prime Minister : Robert Mangenwijck (2022-) Government System : Part of Dutch commonwealth (1890-1949), Parliamentary republic (1949-) Currency : East Indies Gulden (1 GIE = $0,30) Climate : Tropical (20°C - 38°C) Military Rank : 11th Total Soldiers : 800,000 GDP : USD$3 trillion GDP per capita : USD$15.240 Ethnicity : Javanese (60%), Dutch (30%) Religion : Islam (68%)