Colchester is a city in Essex, 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.
On the River Colne, Colchester is 50 miles northeast of London. It is connected to London by the A12 road and the Great Eastern Main Line railway. Colchester is less than 30 miles from London Stansted Airport and 20 miles from the port of Harwich.
Wikipedia https://en.wikipedia.org/wiki/Colchester
Official Website https://www.visitcolchester.com/
Coordinates 51°53'22.885" N 0°53'58.074" E