It is also one of ten constituencies in the West Scotland electoral region, which elects seven additional members, in addition to the ten constituency MSPs, to produce a form of proportional representation for the region as a whole.

The other nine constituencies of the West Scotland region are: Clydebank and Milngavie, Cunninghame North, Cunninghame South, Dumbarton, Eastwood, Paisley, Renfrewshire North and West, Renfrewshire South and Strathkelvin and Bearsden.

The constituency covers most of Inverclyde, including the main population centres of Greenock, Gourock and Port Glasgow.

The eastern part of Inverclyde, around the village of Kilmacolm being covered by the Renfrewshire North and West constituency.

[2] The constituency boundaries were reviewed ahead of the 2011 Scottish Parliament election.