County Derry, also known as County Londonderry, is located in the northwest of Northern Ireland. It is known for its rich history, stunning landscapes, and vibrant culture. The county features the River Foyle, which flows through its capital, Derry, a city famous for its well-preserved medieval walls and diverse heritage. The region is characterized by its scenic countryside, including the Sperrin Mountains and the Causeway Coast. Visitors can explore historical sites, such as Grianan of Aileach, an ancient stone fort, and enjoy outdoor activities like hiking and fishing. County Derry offers a blend of natural beauty and cultural experiences.