Also home to the counties of Down and Londonderry, for 10 points, name this historical region of Ireland which mostly forms the modern polity of Northern Ireland and gives its name to a cycle of stories involving Cu Chulainn.
This polity had its ancient capital at Emain Macha, and after the fall of that city, was divided into the kingdoms of Aileach, Oriel, and Ulaid. This polity also included Cavan and Monaghan, and in the former county of Fermanagh in this polity, the army of James II was routed at Newtownbutler. Fermanagh is also home to Loch Erne, while the Mull of Kintyre was separated by the North Channel from the county of Antrim. It also included the counties of Tyrconnell and Tyrone, home to Lough Neagh, while Antrim is the site of the famous Giant's Causeway. Also home to the counties of Down and Londonderry, for 10 points, name this historical region of Ireland which mostly forms the modern polity of Northern Ireland and gives its name to a cycle of stories involving Cu Chulainn.
This polity had its ancient capital at Emain Macha, and after the fall of that city, was divided into the kingdoms of Aileach, Oriel, and Ulaid.
Ulster [do not accept or prompt on Northern Ireland]