Wem lies on the North Shropshire Plain, about nine miles north of Shrewsbury. The centre of a much larger medieval manor and parish, the township consists of the small medieval market town and its immediate rural hinterland. Anglo-Saxon in origin, the town developed after the Norman Conquest, with a castle, parish church, market and water mill. The urban area of the township, 'within the bars', was distinguished from the rural, 'without the bars'...