Glasgow is the most populous city in Scotland and the fourth-most populous city in the United Kingdom, as well as being the 27th largest city by population in Europe. In 2020, it had an estimated population of 635,640. Historically part of Lanarkshire, the city now forms the Glasgow City council area, one of the 32 council areas of Scotland, and is governed by Glasgow City Council. Glasgow is situated on the River Clyde in the country's West Central Lowlands.