Medan MaimunMedan Maimun is one of 21 districts in the city of Medan, North Sumatra, Indonesia.Boundaries of the district : To the north: Medan Barat To the south: Medan Amplas, Medan Johor To the east: Medan Kota To the west: Medan PoloniaAt the 2010 Census, it had a population of 39,581. The total area is and the population density in 2010 was.ResidentsThe majority of residents of the district are Malays, followed by Chinese, Minangkabau and other ethnic groups.