The Merk is situated below Glasgow and was built in the course of the underground constructions.
"Glasgow (pronounced /ˈɡlæzɡoʊ/ (Glazgo) Scots: Glesga Scottish Gaelic: Glaschu) is the largest city in Scotland and third most populous in the United Kingdom. The city is situated on the River Clyde in the country's west central lowlands. A person from Glasgow is known as a Glaswegian, which is also the name of the local dialect." Glasgow, Wikipedia