Carnwath is a village in South Lanarkshire, Scotland.
It is situated within the ML11 postcode district, which is within the Lanark post town.
ML11 is the only postcode district within the Lanark post town.
The Lanark post town is within the Motherwell postcode area.
Administrative Ward: Clydesdale East
Administrative District: South Lanarkshire
Country: Scotland
UK Parliament: Lanark and Hamilton East
NHS Local Health Authority: Lanarkshire