Baile in Bile: on the way to Ardee
Bairche: Benna Bairche, the Mourne Mountains, north of Dundalk, in Ulster
Ball Scena: north-east of Dall Scena
Banba: an old name for Ireland
Banna: now the Bann, a river in Ulster
Becaltach: grandfather of Cuchulain
Bedg: a river in Murthemne
Belat Aileain: probably between Cualnge and Conalle Murthemni
Belach Caille More: north of Cnogba
Benna Bairche: see Bairche