Colchester ( (listen) KOHL-cheh-stə) is a city in Essex, in the East of England. It had a population of 122,000 in 2011. The demonym is Colcestrian.Colchester occupies the site of Camulodunum, the first major city in Roman Britain and its first capital. Colchester therefore claims to be Britain's first city. It has been an important military base since the Roman era, with Colchester Garrison currently housing the 16th Air Assault Brigade. Situated on the River Colne, Colchester is 50 miles (80 kilometres) northeast of London. The city is connected to London by the A12 road and the Great Eastern Main Line railway. Colchester is less than 30 miles (50 km) from London Stansted Airport and 20 miles (30 km) from the port of Harwich. Attractions in and around the city include Colchester United Football Club, Colchester Zoo, and several art galleries. Colchester Castle was constructed in the eleventh century on earlier Roman foundations; it now contains a museum. The main campus of the University of Essex is located just outside the city. Local government is the responsibility of the City of Colchester and Essex County Council.

Source: https://en.wikipedia.org/