The city of Cambridge is an old English university town and the administrative centre of the county of Cambridgeshire. It lies approximately 50 miles (80 km) north-northeast of London and is surrounded by a number of smaller towns and villages. It is also at the heart of the high-technology centre known as Silicon Fen and is one of the major constituent parts of the Oxford-Cambridge Arc.
Cambridge is a federal and provincial electoral district in Ontario, Canada, that has been represented in the Canadian House of Commons since 1979, and in the Legislative Assembly of Ontario since 1975. Its population in 2001 was 119,140.