Wiltshire is a ceremonial county in South West England. It borders Gloucestershire to the north, Oxfordshire to the north-east, Berkshire to the east, Hampshire to the south-east, Dorset to the south, and Somerset to the west. The largest settlement is Swindon, and Trowbridge is the county town. The county has an area of 3,485 km2 and a population of 720,060. The county is mostly rural, and the centre and south-west are sparsely populated.