Celtic tribes in the British Isles

The Celtic tribes in Britain and Ireland were as follows:

• The Dumnonii who occupied what are now Devon, Cornwall and Somerset.
• The Iceni, who under Boudicca rebelled against the Roman rule of ancient East Anglia.
• The Trinovantes and the Catuvellauni were the neighbouring tribe of the Iceni, and who joined in their rebellion.
• The Ordovices who waged guerrilla warfare from the North Wales hills.
• The Silures likewise resisted the Romans in present-day South Wales.
• The Brigantes were an important tribe in Northern England.
• The Dobunni lived in the Cotswalds and the Severn valley.
• The Caledonians inhabited present-day Scotland.