I think you must mean Glasgow, although Stirling is also to the west and a little north.
Edinburgh is 3.06 degrees west. Bristol is 2.6 degrees. So Edinburgh
HMP (Her Majesty's Prison) Edinburgh is located at Saughton, in the west of the city. It is run by the Scottish Prison Service.
Edinburgh is the capital city of Scotland.
Glasgow is about 45 miles west of Edinburgh.
Elphinstone is nowhere near Perth, it's east of Edinburgh.
Edinburgh is located in southeast Scotland
The City of Edinburgh Council is the local government for Edinburgh. The City Chambers are located on the High Street (Royal Mile), Edinburgh.
Vancouver is a sister city to Edinburgh
Edinburgh is the westernmost city out of the three cities listed.
A location situated at 56 degrees north and 3 degrees west falls into the United Kingdom. Specifically, it is in Scotland, near the city of Edinburgh.
Edinburgh castle is located in Edinburgh.
Answer is London, thanks to Million Pound Drop (Channel 4)!!