Oldham, metropolitan borough (1991 pop. 107,095), NW England, located in the Manchester metropolitan area. The city's industries include papermaking, tanning, food processing, and mail-order distribution. Oldham's town hall, art gallery, museum, and Alexandra Park are noteworthy. There is also a 17th-century grammar school and the College of Further Education. Winston Churchill was the member of Parliament for Oldham, and the composer William Walton was born there.