It is one of four constituent nations of the United Kingdom. His territory is formed geographically on the south and central part of Great Britain, island that he shares close to Scotland and Wales, and near 100 smaller islands as the Islands Sorlingas and Wight's Island. It borders in the northern part on Scotland, in the western part on Wales - his two terrestrial borders-, to the northwest on the sea of Ireland, to the southwest on the Celtic sea, in the eastern part on the sea of the North and in the southern part on the channel of the Spot.