Chertsey is a town in the British county of Surrey. The city lies on the River Thames and its tributaries the River Bourne. The lock of Chertsey Lock is located opposite the city on the other side. Chertsey is connected through the Motorway M25 well connected to the UK's motorway network and is the seat of the Regus Group. In addition, the M25 Motorway serves as a direct connection to the British capital London, is located on the Chertsey 50 km west. Chertsey currently has about 15,967 inhabitants.