Greenock's a town and administrative centre in the Inverclyde council areas of Scotland, and a former burgh of barony within the Counties of Scotland of Renfrewshire (historic), located in the west central Lowlands of Scotland. It forms part of a contiguous urban area with Gourock to the west and Port Glasgow to the east.
Greenock's population was recorded as being 45,467 in the United Kingdom Census 2001, a decrease from about 78,000 in 1966. It lies on the south bank of the Clyde at the"Tail of the Bank" where the River Clyde expands into the Firth of Clyde.