Tyldesley (/ˈtɪlzliː/ or /ˈtɪlsliː/) is a town within the Metropolitan Borough of Wigan, in Greater Manchester, England. It occupies an area north of Chat Moss near the foothills of the West Pennine Moors, 7.7 miles (12.4 km) east-southeast of Wigan and 8.9 miles (14.3 km) west-northwest of the city of Manchester. At the time of the United Kingdom Census 2001, Tyldesley, which includes the outlying areas of Astley, Shakerley, Mosley Common and New Manchester, had a population of 34,000.