Camulodunum was the capital of the Catuvellauni tribes .
ISBN 0 85263 594 X ) Originally the site of the Celtic oppidum of Camulodunon ( meaning `` The 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 10BC .
Camulodunum