Cóste Ígheainne

The Viscountcy of Cóste Ígheainne (Fernolian: Ísirliticht na Chóste Ígheainne, Astrallic: Éusiorlteachd na Chóibheatheach Bheainn or Iwsiyrtycht ny Ghôsiygh Bhîn, Rockallian: Uisiarlateachd na Chóiste Báin) is one of the six viscountcies of Rockall in the Seafaring Confederation. Its capital is Régnich na Nuardh.

Cóste Ígheainne stretches along the north coast of the island of Rockall, spreading itself along the northern slopes of the Lóda na Núille. It also covers the Nuardhnúille peninsula. Along its southwestern boundaries it borders the viscountcy of Líchthiach Thiair, along its southern boundaries it borders the viscountcy of An Thir na tÁirdteachd, and along its southwestern and western boundaries it borders the viscountcy of An Móir Leautheinn.