Basic information

| Attribute | Details | | :--- | :--- | | **Official Name** | Greater London | | **Common Name** | London | | **Native Name(s)** | London | | **Nicknames** | The Big Smoke, The Swinging City | | **Motto** | _Domine Dirige Nos_ (Lord, direct us - specific to the City of London) | | **Geographic Level** | Ceremonial County / Administrative Region | | **Country** | United Kingdom | | **State/Province** | England | | **Capital** | London (Capital of the UK and England) | | **Government Type** | Devolved Mayoral Authority (Greater London Authority) | | **Date Founded** | ~47 AD (as Roman Londinium) | | **Time Zone** | Greenwich Mean Time (GMT) / British Summer Time (BST, UTC+1) | | **Latitude** | 51.5074° N | | **Longitude** | 0.1278° W | | **Elevation** | ~11 m (36 ft) on average | | **Total Area** | 1,572 km² (607 sq mi) | | **Population** | ~8.9 million | | **Population Density** | ~5,700/km² (14,800/sq mi) | | **ZIP/Postal Codes** | E, EC, N, NW, SE, SW, W, WC, plus outer borough codes (e.g., CR, EN, HA) | | **Area Codes** | 020 | | **Official Languages** | English | | **Currency** | Pound Sterling (GBP) | | **Demonym** | Londoner |