Gloucester is a city district and county town of Gloucestershire in the South West region of England. Gloucester lies close to the Welsh border and on the River Severn approximately 32 miles (51 km) north-east of Bristol and 45 miles (72 km) south-southwest of Birmingham. Gloucester was founded in AD 97 by the Romans under Emperor Nerva as Colonia Glevum Nervensis and was granted its first charter in 1155 by King Henry II.