Camulodunum Camulodunum Camulodunum (; ), the Ancient Roman name for what is now Colchester in Essex, was an important town in Roman Britain, and the first capital of the province. It is claimed to be the oldest town in Britain. Originally the site of the Brythonic-Celtic oppidum of Camulodunon (meaning "stronghold of Camulos"), capital of the Trinovantes and later the Catuvellauni tribes, it was first mentioned by name on coinage minted by the chieftain Tasciovanus sometime between 20 and 10 BC. The Roman town began life as a Roman Legionary base constructed in the AD 40s on the site of the
Camulodunum monumental arch that at 8 m wide was about 2 m wider than the one at the Eastern entrance to the town, which had been incorporated into Balkerne Gate. To the west of the temple on the modern Maidenburgh Street was a 3,000 seat capacity Roman theatre, which now has the Norman chapel of St Helena built into the corner of it, currently open to public viewing. Opposite the Temple, on the south side of the Decumanus Maximus, the remains of a possible Basilica have been identified. At least seven Romano-Celtic temples have been identified at Camulodunum, with the largest