The Abbey of St. Mary at Stanlaw (or Stanlow as it has been posthumously known since a Victorian cartographical error), was a Cistercian foundation situated on Stanlaw - now Stanlow Point, on the banks of the River Mersey in the Wirral Peninsula, Cheshire, England (grid reference SJ427773), near Ellesmere Port, 11 km north of Chester Castle and 12 km south-west of Halton Castle.