Bridgeport is the most populous city in the U.S. state of Connecticut and the fifth-most populous city in New England, with a population of 148,654 in 2020. Located in eastern Fairfield County at the mouth of the Pequonnock River on Long Island Sound, it is a port city 60 miles (97 km) from Manhattan and 40 miles (64 km) from The Bronx. It borders the towns of Trumbull to the north, Fairfield to the west, and Stratford to the east. Bridgeport and other towns in Fairfield County make up the Greater Bridgeport Planning Region, as well as the Bridgeport–Stamford–Norwalk–Danbury metropolitan statistical area, the second largest metropolitan area in Connecticut. The Bridgeport–Stamford–Norwalk–Danbury metropolis forms part of the New York metropolitan area.

Connecticut is the southernmost state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its capital is Hartford, and its most populous city is Bridgeport. Connecticut lies between the major hubs of New York City and Boston along the Northeast Corridor, where the New York metropolitan area, which includes six of Connecticut's seven largest cities, extends well into the southwestern part of the state. Connecticut is the third-smallest state by area after Rhode Island and Delaware, and the 29th most populous with slightly more than 3.6 million residents as of 2020, ranking it fourth among the most densely populated U.S. states.