Britannia

The name given to England, Wales, and lowland Scotland by the Romans when they occupied it as a province from 43 to 410 AD. In 197 the province was divided into two, then into four parts c 300, and in 369 into five provinces.

Name given by the Romans to the imperial province of Britain, occupied from 43 to 410, and comprising England, Wales and (for much of the 2nd century) lowland Scotland. In 197 the province was divided into two, c300 into four, and in 369 into five smaller provinces.