It lies on flat land north of Chat Moss and is crossed by the Bridgewater Canal and the A580 "East Lancashire Road".
[1] Astley's listed buildings reflect its history and include farmhouses and ancient halls, two with moated sites.
Damhouse or Astley Hall, which for centuries was the manor house for the township, is included in this list although it is just across the boundary in Tyldesley.
Industry in the 20th century is represented by the former engine house and headgear at Astley Green Colliery Museum.
Buildings in England are listed by the Secretary of State for Culture, Media and Sport on recommendations provided by English Heritage, which also determines the grading.