The Southern Education and Library Board (or SELB) is a board providing education and library services in the southern districts of Northern Ireland: namely the district councils of Armagh, Banbridge, Cookstown, Craigavon, Dungannon and South Tyrone, and Newry and Mourne. It covers an area of about 1,450 square miles (3,800 km²), covering around 332,000 people.