North Sumatra
The administrative center of North Sumatra is located in the city Medan, governed by a governor. Earlier, North Sumatra was included in a single Sumatra province when Indonesia became independent in 1945. In 1950, North Sumatra Province was formed including the former residencies of East Sumatra, Tapanuli, and Aceh. In 1956, Aceh split off to form a separate Aceh Province.