Indonesia - Jakarta - The Telephone Exchange. Jakarta was formerly known as Sunda Kelapa (397?1527), Jayakarta (1527?1619), Batavia (1619?1942), and Djakarta (1942?1972). The area of Gambir Subdistrict, especially the area within the Administrative Village of Gambir, was centered around an open area known as the Merdeka Square. This open area was known as Champ de Mars in 1808 and Koningsplein in 1816. The Koningsplein was surrounded with colonial buildings which has become the character of Gambir administrative village.