ICES statistical division VII a (Irish Sea)U.K.
The waters bounded by a line beginning at a point on the west coast of Scotland at 55° 00− latitude; then due west to the coast of Northern Ireland; then in a southerly direction along the coasts of Northern Ireland and Ireland to a point on the south-east cost of Ireland at 52° 00− north latitude; then due east to the coast of Wales; then in a north-easterly and northerly direction along the coasts of Wales, England and Scotland to the point of beginning.