Counties of Ireland or between the three counties in the Dublin area. This system usually results in more populated counties having several constituencies: Dublin, including Dublin city, is subdivided into twelve constituencies, Cork into five. On the other hand, smaller counties such as Carlow and Kilkenny or Laois and Offaly may be paired to form constituencies. An extreme case is the splitting of Ireland's least populated county of Leitrim between the constituencies of Sligo–North Leitrim and Roscommon–South Leitrim. Each county or city is divided into Local electoral areas for the election of councillors. The boundaries of the areas and the number of councillors
2018 All-Ireland Senior Hurling Championship four matches, with Carlow confirming their place on 9 June after beating Westmeath. The top two teams at the end of the round-robin, Westmeath and Carlow, faced each other in the final on 1 July 2018. The game, which took place in Croke Park, saw Carlow emerge victorious by a margin of five points to claim the inaugural Joe McDonagh Cup title. As a Leinster county, Carlow were automatically promoted to the Leinster championship for 2019, taking the place of Offaly. The preliminary quarter-finals saw the third-placed teams from the two provincial round-robins play the two teams who competed in