Capital city of United Kingdom is London

Language(s) English Literacy rate 99% Currency Pound sterling Capital City London Country code +44 Domain(TLD) .uk Ethnicity White, Asian, Black Mixed Religion Christianity, Islam, Traditional faiths Nationality British, United Kingdom, UK Driving Side Drive on the Left-hand side Date Format dd/mm/yyyy Total Area 242,495 km2 (93,628 sq mi) Timezone UTC (Greenwich Mean Time, WET) Average elevation 162 m (531 ft) Coastline 12,429 Km Mains Electricity 230 V Emergency Telephone Numbers View all Embassies United Kingdom embassies in different countries