Middletown is a city located in Middlesex County, Connecticut, along the Connecticut River, in the central part of the state, 16 miles (26 km) south of Hartford. In 1650, it was incorporated as a town under its original Indian name, Mattabeseck. It received its present name in 1653. In 1784, the central settlement was incorporated as a city distinct from the town. In 1923, the City of Middletown was consolidated with the Town, making the city limits of the city quite extensive.