Rochdale ( ROTCH-dayl) is a town in Greater Manchester, England, and the administrative centre of the Metropolitan Borough of Rochdale. In the 2021 census the town had a population of 111,261, compared to 223,773 for the wider borough. Rochdale is in the foothills of the South Pennines and lies in the dale (valley) of the River Roch, 5 miles (8 km) northwest of Oldham, and 10 miles (16 km) northeast of Manchester. Rochdale's recorded history begins with an entry in the Domesday Book of 1086 as "Recedham Manor" but can be traced back to the 9th century.
https://en.wikipedia.org/wiki/Rochdale