Fermoy (Irish: Mainistir Fhear Maí; formerly also Armoy) is a barony in County Cork in Ireland. It is bordered by the baronies of to the north-west; Duhallow to the west; Barretts to the south-west; Barrymore to the south; Condons and Clangibbon to the east; and , County Limerick to the north. It is bounded to the south by the and the valley of the Munster Blackwater. The Ballyhoura Mountains mark the northern boundary. A tributary of the Blackwater, the Awbeg has two branches in its upper stretches; one branch forms the northern boundary while the other near Buttevant, forms the western limit. To the east, lies another Blackwater tributary, the . Anomalously, the namesake town of Fermoy is actually in the barony of Condons and Clangibbon. The town with the greatest population in the ba