Ashton-under-Lyne is a town in Greater Manchester, England, approximately six miles east of Manchester city centre. Until 1974 it was in the county of Lancashire. The River Tame flows through the town.
The M60 Manchester orbital motorway runs to the west of the town centre. The town's railway station is on the Manchester to Huddersfield line.
Ashton United Football Club and Curzon Ashton Football Club play in different English regional football leagues.
Its population is 43,300 (2001).