Sullivan is a small town located in Cheshire County, New Hampshire. It was incorporated in 1778 and covers an area of approximately 30 square miles. The town is primarily rural, featuring scenic landscapes, forests, and a few lakes, making it a peaceful place for residents and visitors alike. The population of Sullivan is quite small, with just a few hundred residents. The town is known for its tight-knit community and offers a variety of outdoor recreational activities, such as hiking and fishing. Sullivan is also part of the Monadnock Region, which is popular for its natural beauty and outdoor adventures.