Ath Traged: at the extremity of Tir Mor, in Murthemne
Ath Truim: Trim, on the river Boyne, in the County Meath
Aue: a slave in the household of King Conchobar
Aurthuile: north-east of Airne
Bacca: in Corcumruad
Bacc Draigin: a place in Ulster
Badb: the war-fury, or goddess of war and carnage; she was wont to appear in the form of a carrion-crow. Sometimes she is the sister of the Morrigan, and, as in the Táin Bó Cúalnge, is even identified with her (pronounced Bive)
Badbgna: now Slieve Bawne, a mountainous range, in the barony of Ballintubber, in the east of County Roscommon
Baile: north-east of Meide ind Eoin, on Medb's march from Connacht into Ulster