Harlow is a former Mark OneNew Town and local government district in the west ofEssex,England. It is on the border withHertfordshire. Harlow is a large area of land on the south bank of the upper Stort Valley, which has been made navigable through other towns and features a canal section near itswatermill. Old Harlow is a village-size suburb founded in the early medieval age and most of its high street buildings are early Victorian and residential, mostly protected by one of the Conservation Areas in the district. In Old Harlow is a field namedHarlowbury, a de-settled monastic area which has the remains of a chapel, a scheduled ancient monument.
TheM11 motorway passes through the east of the district, entirely to the east of the town. Harlow has its own commercial and leisure economy. It is also an outer part of the London commuter belt and employment centre of the M11 corridor which includesCambridge andLondonStansted to the north.