Scotland

Scotland is a country consisted within the UK, which is in. The capital city is Edinburgh.

History
Groundskeeper Willie is originally from Scotland and often talks about it with pride.

Homer, Willie, Professor Frink and Mr. Burns once travelled to Loch Ness to capture the Loch Ness Monster.

Willie and the Simpsons go and meet Willie's brother and Willie competes in a competition there.

Non-canon
"Old Tut" Simpson mentions that he's from Lowlands of Scotland.