County Offaly (Irish: Contae Uíbh Fhailí) is a county in Leinster, bordered by seven other counties: Galway, Roscommon, Westmeath, Meath, Kildare, Laois, and Tipperary. Originally the name referred to the Kingdomof Uí Failghe. The southern part of the county is occupied by the Slieve Bloom Mountains, the northwestern part is the floodplain of the River Shannon and the remainder consists of large bogs including the Bog of Allen and Boora Bog.