Donegal is a county in northwestern Ireland. It is the second largest county in the country and is located in the province of Ulster. The county has a population of 158, 755 people and covers an area of 4, 871 square kilometers. It is bordered by the Atlantic Ocean to the north and west, County Leitrim to the south, and County Fermanagh and County Tyrone to the east. Donegal is known for its rugged landscape, beautiful beaches, and traditional Irish culture.