Basic information

| Field | Details | |---|---| | **Official Name** | City of Westminster | | **Common Name** | Westminster | | **Native Name(s)** | City of Westminster | | **Nicknames** | The Political Heart of Britain | | **Motto** | *Custodi civitatem Domine* (O Lord, watch over the city) | | **Geographic Level** | City and Inner London Borough | | **Country** | United Kingdom | | **State/Province** | England (Greater London) | | **Capital** | London (Westminster is central to the capital) | | **Government Type** | Local Government (London Borough Council) | | **Date Founded** | 1540 (City status), 1 April 1965 (Modern borough creation) | | **Time Zone** | Greenwich Mean Time (GMT) / British Summer Time (BST) | | **Latitude** | 51.4973° N | | **Longitude** | 0.1372° W | | **Elevation** | ~11 m (36 ft) | | **Total Area** | 21.48 km² (8.29 sq mi) | | **Population** | ~204,900 (2021 Census) | | **Population Density** | ~9,500/km² (~25,000/sq mi) | | **ZIP/Postal Codes** | W, WC, SW, NW | | **Area Codes** | 020 | | **Official Languages** | English | | **Currency** | Pound Sterling (GBP) | | **Demonym** | Westminster resident |