Newarthill is a village in North Lanarkshire, Scotland, situated roughly three miles north-east of the town of Motherwell. It has a population of around 6,200. Most local amenities are shared with the adjacent villages of Carfin, Holytown and New Stevenston which have a combined population of around 20,000 across the four localities.

North Lanarkshire is one of the 32 council areas of Scotland. It borders the north-east of the Glasgow City council area and contains many of Glasgow's suburbs, commuter towns, and villages. It also borders East Dunbartonshire, Falkirk, Stirling, South Lanarkshire, and West Lothian. The council area covers parts of the historic counties of Dunbartonshire, Lanarkshire, and Stirlingshire. The council is based in Motherwell.