Berlin ( ) is a city along the Androscoggin River in Coös County in northern New Hampshire, United States. It is the northernmost city in New Hampshire. The population was 10,051 at the 2010 census. As of July 1, 2019, the estimated population was 10,122. It includes the village of Cascade in the south part of the city. Located in New Hampshire's Great North Woods Region or "North Country", Berlin sits at the edge of the White Mountains, and the city's boundaries extend into the White Mountain National Forest. Berlin is home to the Berlin and Coos County Historical Society's Moffett House Museum & Genealogy Center, Service Credit Union Heritage Park, the Berlin Fish Hatchery, and the White Mountains Community College, member of the Community College System of New Hampshire.