County Donegal is located in the northwest of Ireland and is known for its stunning landscapes, including rugged coastlines, mountains, and lush green valleys. It is part of the Gaeltacht, where the Irish language is spoken, and features charming towns like Letterkenny and Donegal Town. The county is rich in cultural heritage, with numerous historical sites such as Glenveagh National Park and Donegal Castle. Outdoor activities like hiking, surfing, and fishing are popular, making it a great destination for nature lovers and adventure seekers alike.