Politics in the British Isles Politics in the British Isles The British Isles comprise two sovereign states, Republic of Ireland and the United Kingdom, and three dependencies of the British Crown, Guernsey, Jersey and the Isle of Man. Ireland is a unitary state and a republic. Since 1998, it shares certain common institutions with Northern Ireland, in the United Kingdom, from which it was partitioned in 1921. The United Kingdom is a constitutional monarchy and also a unitary state comprising England, Scotland, Wales, and Northern Ireland. Also since 1998, the United Kingdom has devolved significant domestic powers (though differing in extent) to administrations in Northern
Terminology of the British Isles of Celts inhabiting the islands, but this term was not used by the Greeks or Romans for the inhabitants of Britain or Ireland, nor is there any record of the inhabitants of the British Isles referring to themselves as such. Nevertheless, Roman administration later incorporated the province of Britannia into the praetorian prefecture of Gaul, in common with Hispania, which had Celtiberians. Armorica, where the Bretons would settle, was part of "Gallia Celtica", so there were tertiary relations between the Britons and Gallic Celts at least. In addition, the Parisii of Gallia Celtica are thought to have founded Aldborough in