an inland county of E central Republic of Ireland, in Leinster province: formerly an ancient kingdom, which also included parts of Tipperary, Leix, and Kildare. County town: Tullamore. Pop: 63 663 (2002). Area: 2000 sq km (770 sq miles)
Offaly in American English
(ˈɑfəli)
county in Leinster province, central Ireland: 771 sq mi (1,997 sq km); pop. 58,000