Llangollen Canal has 19 stone arches, each with a 45-foot (14 metre) span. Another aqueduct carries the canal over the River Ceiriog at Chirk, and there are tunnels nearby at Whitehouses, Chirk, and Ellesmere. The canal also forms the boundary on two sides of the Fenn's, Whixall and Bettisfield Mosses National Nature Reserve. In 2009 an eleven-mile section of the canal from Gledrid Bridge near Rhoswiel through to the Horseshoe Falls, which includes Chirk Aqueduct and Pontcysyllte Aqueduct, was declared a World Heritage site by UNESCO. The canal at Hurleston Junction rises from the Shropshire Union Canal main line, through four adjacent
Marbury, Cheshire parish council was formed in 1959, before which the civil parish was administered by Marbury Parish Council, formed in 1894. From 1974 the civil parish was served by Crewe and Nantwich Borough Council, which was succeeded on 1 April 2009 by the unitary authority of Cheshire East. Marbury cum Quoisley falls in the parliamentary constituency of Eddisbury, which has been represented by Antoinette Sandbach since 2015, after being represented by Stephen O'Brien (1999–2015). The civil parish has a total area of . The terrain is undulating in character, rising from around 75 metres by the Llangollen Canal in the north