Onslow County is located in the southeastern part of North Carolina. It is known for its coastal areas, including parts of the Crystal Coast, which attract tourists and residents alike. The county seat is Jacksonville, a city that serves as a hub for military personnel due to its proximity to Marine Corps Base Camp Lejeune. The county has a diverse population and offers various recreational activities, such as fishing, boating, and hiking. Onslow County also features several parks and natural reserves, making it a great place for outdoor enthusiasts. The local economy is supported by military presence, tourism, and agriculture.