different estates were not addressed fast enough. Town councils boundaries are drawn based on electoral district boundaries. A town council area can consist of a Group Representation Constituency (GRC), a Single Member Constituency (SMC), or a collection of neighbouring GRCs and SMCs controlled by the same political party. The Members of Parliament head the town councils of their constituencies. Town councils boundaries do not correspond to new town boundaries; different parts of the same HDB town may be managed by different town councils. There are currently 17 town councils as of 2020: Constituencies Town councils are then further subdivided into different constituencies, which are classified as either Single Member Constituencies (SMCs) or Group Representation Constituencies (GRCs). The boundaries of the electoral constituencies are decided by the Elections Department, which is under the control of the Prime Minister's Office. Other administrative subdivisions URA Master Plan boundaries Regions The five regions of Singapore are groupings of the planning areas. Planning Areas In the 1990s, the Urban Redevelopment Authority carved up the country into 55 of planning areas. The Singapore Department of Statistics adopted these boundaries for the latest 2000 nationwide population census, and the Singapore Police Force uses them as an approximate guide when demarcating boundaries for its Neighbourhood Police Centres. Survey Districts Singapore is divided into 64 survey districts, of which 34 are mukims (originally, rural districts) and 30 are town subdivisions. Postal Districts Postal districts were numbered from 01 to 83 under the new system implemented on 1 September 1995. Census data and most forms of internal boundaries had been based on postal districts until the introduction of new planning boundaries in the 1990s. See also List of places in Singapore References External links CDC Districts Singapore Land Registry Singapore Singapore geography-related lists Singapore Urban planning in Singapore Singapore