The Donegal Castle is a historic castle located in the town of Donegal, Ireland. Built in the 15th century, the castle was once the stronghold of the O'Donnell clan, one of the most powerful clans in the region. The castle has been restored and is now open to
From Wikipedia
County Donegal is a county in the Republic of Ireland. It is in the province of Ulster and is the northernmost county on the island of Ireland. The county mostly borders Northern Ireland, sharing only a small border with one county of the rest of the Republic; its nickname is "The Forgotten County."