CityPortsmouth, New Hampshire View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize Founded in 1630, Portsmouth has roots. Colonial, modern and everything in between, this small city on the Piscataqua River is approachable and welcoming.