|League of Ireland Premier League|
|Country|| Republic of Ireland|
|Number of teams||12|
|Relegation to||League of Ireland First Division|
|Level on pyramid||1|
|Domestic cup(s)||FAI Cup, League of Ireland Cup|
|UEFA (Europe) cup(s)||UEFA Champions League, UEFA Europa League|
|Current champions||Dundalk (2016)|
|Most successful club|| Dundalk F.C. (6)|
The League of Ireland Premier Division is the top level division in the Republic of Ireland football league system. Contested by 12 clubs, it operates a system of promotion and relegation with the League of Ireland First Division. Seasons run from March to October, with teams playing 33 matches. Most games are played on Fridays, with a few games held on Saturdays and Sundays. Since 2010 the league is sponsored by SSE Airtricity and therefore officially known as the Airtricity League.
The division was formed as the League of Ireland Premier Division in 1985 as a result of the decision to split the League of Ireland into two divisions, which also created the League of Ireland First Division. The league is ranked 36th in the Union of European Football Associations (UEFA) coefficients of leagues based on performances in European competitions over the last five years, ahead of Lithuania's A Lyga and behind Moldova's National Division. In 2009, the FAI rejected proposals from clubs to remove the first division and restore the League of Ireland to its original structure.
|Bray Wanderers||Bray||Carlisle Grounds||7,000|
|Cork City||Cork||Turners Cross||7,500|
|Derry City||Derry||Brandywell Stadium||7,700|
|Drogheda United||Drogheda||United Park||2,000|
|Finn Harps||Ballybofey||Finn Park||6,000|
|Galway United||Galway||Eamonn Deacy Park||5,000|
|Shamrock Rovers||Tallaght||Tallaght Stadium||6,000|
|Sligo Rovers||Sligo||The Showgrounds||4,500|
|St Patrick's Athletic||Inchicore||Richmond Park||5,350|
The Premier Division has been sponsored since the early 1990s. The sponsor has been able to determine the league's sponsorship name. There have been three sponsors since the league's formation.
- 1990's: Bord Gáis (Bord Gáis League Premier Division)
- 2000–2008: Eircom (Eircom League Premier Division)
- 2010–present: SSE Airtricity (Airtricity League Premier Division)
The league had no title sponsor in 2009, but had a number of secondary sponsors including Newstalk and Electronic Arts. As well as sponsorship for the league itself, the Premier Division has a number of official partners and suppliers. The official ball supplier for the league is Umbro. The official drink for the league is Lucozade. The official radio and newspaper partners are Newstalk and Irish Daily Star.
|League of Ireland Premier Division 2017|
|League of Ireland Premier Division seasons|
|Football in the Republic of Ireland|
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