Harrow is a large town northwest of the Greater London area in the London borough of Harrow, and includes the localities of Harrow on the Hill, Harrow Weald, Headstone, Rayners Lane, Kenton, Wealdstone, North Harrow, West Harrow and South Harrow. Harrow on the Hill mainline station, which is in Harrow town centre is served by Chiltern railway and is on the Metropolitan line, where it splits leading to North Harrow and West Harrow stations.