Chadderton is a town situated in the Metropolitan Borough of Oldham, within Greater Manchester, England. It is located on the River Irk and the Rochdale Canal, positioned in the foothills of the Pennines.
The town is geographically situated approximately 1 mile (1.6 km) west of Oldham, 5 miles (8.0 km) south of Rochdale, and 6 miles (9.7 km) north-east of Manchester. It lies near the A627(M) motorway.