Leigh is a constituency in Greater Manchester represented in the House of Commons of the UK Parliament since 2019 by James Grundy of the Conservative Party.

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.