East Kilbride is the largest town in South Lanarkshire in Scotland, and the country's sixth-largest locality by population. It was also designated S…East Kilbride is the largest town in South Lanarkshire in Scotland, and the country's sixth-largest locality by population. It was also designated Scotland's first new town on 6 May 1947. The area lies on a raised plateau to the south of the Cathkin Braes, about eight miles southeast of Glasgow and close to the boundary with East Renfrewshire.