|City of Edinburgh Scottish Gaelic: Dùn Èideann |— Unitary
authority & city —| |City of Edinburgh| |Nickname: "Auld
Reekie", "Athens of the North", "Edina", "Dunedin"| |Motto:
"Nisi Dominus Frustra" "Except the Lord in vain" associated with
Edinburgh since 1647, it is a normal heraldic contraction of a
verse from the 127th Psalm, "Except the Lord build the house,
they labour in vain that build it. Except the Lord keep the
city, the watchman waketh but in vain"| |Sovereign state||United
Kingdom| |Council area||City of Edinburgh| |Admin HQ||Edinburgh
City Centre| |Founded||prior to the 7th century| |-
Type||Unitary Authority, City| |- Governing body||The City of
Edinburgh Council| |- Lord Provost||George Grubb| |- Unitary
authority & city||100.00 sq mi (259 km²)| |- Unitary authority &
city||486,120| |- Urban Density||4,776/sq mi (1,844/km²)| |Time
zone||Greenwich Mean Time (UTC+0)| |- Summer (DST)||British
Summer Time (UTC+1)| |OS grid reference||NT275735| |Website:
www.edinburgh.gov.uk (Official Council site)