Colchester's County is Essex, a county in the East of England. It is bordered by Suffolk, Cambridgeshire, Hertfordshire, and Greater London. Essex is home to many towns and cities, including Chelmsford, Colchester, and Southend-on-Sea. It is known for its beautiful coastline, which includes the Thames Estuary, and its rich history, which dates back to the Roman era. Essex is also home to some of the oldest recorded settlements in Britain.