Tameside is a metropolitan borough of Greater Manchester, England, named after the River Tame, which flows through it, and includes the towns of Ashton-under-Lyne, Audenshaw, Denton, Droylsden, Dukinfield, Hyde, Mossley and Stalybridge. Tameside is bordered by the metropolitan boroughs of Stockport to the south, Oldham to the north and northeast, Manchester to the west, and to the east by the Borough of High Peak in Derbyshire. As of 2024, the population of Tameside was 239,643, making it the 8th-most populous borough of Greater Manchester.
There are over 300 listed buildings in Tameside and three Scheduled Ancient Monuments, including Buckton Castle. Its townships were agricultural until the Industrial Revolution when they grew with the cotton industry. The borough was created in 1974 under the Local Government Act 1972.