Leigh is a town in the Metropolitan Borough of Wigan, Greater Manchester, England, on low-lying land northwest of Chat Moss.

The Metropolitan Borough of Wigan is a metropolitan borough of Greater Manchester, England. It is named after its largest town, Wigan but covers a far larger area which includes the towns of Atherton, Ashton-in-Makerfield, Golborne, Hindley, Ince-in-Makerfield, Leigh and Tyldesley. The borough also covers the villages and suburbs of Abram, Aspull, Astley, Bryn, Hindley Green, Lowton, Mosley Common, Orrell, Pemberton, Shevington, Standish, Winstanley and Worsley Mesnes. The borough is also the second-most populous district in Greater Manchester.