Dichaem: a river in Conalle Murthemni
Domnann: see Irrus Domnann
Drong: a river in the land of the men of Assail, in Meath
Druim Caimthechta: north-east of Druim Cain
Druim Cain: possibly an older name for Temair (Tara)
Druim En: in South Armagh; probably a wooded height, near Ballymascanlan, in the County Louth
Druim Fornocht: near Newry, in the County Down
Druim Liccè: north-east of Gort Slane, on Medb's march from Connacht into Ulster
Druim Salfinn: now Drumshallon, a townland in the County Louth, six miles north of Drogheda
Dub: the Blackwater, on the confines of Ulster and Connacht; or the confluence of the Rivers Boyne and Blackwater at Navan