League of Ireland Premier Division

The League of Ireland Premier Division, also known as the SSE Airtricity League Premier Division for sponsorship reasons, is the top level division in both the League of Ireland and the Republic of Ireland football league system. The division was formed in 1985 following a reorganisation of the League of Ireland. St Patrick's Athletic and Bohemians are the only current League of Ireland clubs never to have been relegated from the Premier Division. The league has been won on two occasions by Northern Ireland-based club Derry City, the presence of which within the league makes it a cross-border competition. Since 2003, the Premier Division has taken place from spring to autumn.