Ireland's largest county is CORK, which is located in the south of the country. It is the largest county in Ireland by both population and area, with a population of over 537, 000 people and an area of 7, 457 square kilometers. CORK is known for its beautiful scenery, including its rugged coastline, rolling hills, and lush green countryside. It is also home to many historical sites, such as Blarney Castle and Cobh Cathedral. CORK is an important economic center in Ireland, with a thriving tourism industry and a strong agricultural sector.