Merrimack County is located in the central part of the state of New Hampshire. It was established in 1823 and is named after the Merrimack River, which flows through the region. The county seat is Concord, which is also the state capital. Merrimack County covers an area of approximately 1,500 square miles and is known for its diverse landscapes, including lakes, rivers, and mountains. The county is home to several towns and cities, including Hooksett, Loudon, and Pembroke. Merrimack County offers various recreational activities, such as hiking, fishing, and skiing, making it a popular destination for outdoor enthusiasts. The region also has a rich history, with numerous historical sites and landmarks to explore.