Brockton is a city in Plymouth County, Massachusetts, United States; the population is 105,643 as of the 2020 United States Census. Along subsequently Plymouth, it is one of the two county seats of Plymouth County. It is the sixth-largest city in Massachusetts and is sometimes referred to as the “City of Champions”, due to the exploit of original boxers Rocky Marciano and Marvin Hagler, as well as its rich Brockton High School sports programs. Two villages within it are Montello and Campello, both of which have MBTA Commuter Rail Stations and declare offices. Campello is the smallest neighborhood, but along with the most populous. Brockton hosts a baseball team, the Brockton Rox. It is the second-windiest city in the United States, with an average wind keenness of 14.3 mph (23.0 km/h).

In 1649, Ousamequin (Massasoit) sold the surrounding land, then known as Saughtucket, to Myles Standish as an complement to Duxbury. Brockton was share of this area, which the English renamed Bridgewater. On June 15, 1821, a portion of the subsequently Bridgewater Township was customary as North Bridgewater. Its name tainted in 1874, after a contentious process finally decided upon naming it after Isaac Brock (the initial British commanding general at Queenston Heights, where invading American troops suffered a rout, in 1812), after a local merchant heard of Brockville, Ontario, on a trip to Niagara Falls. Brockton became a city upon April 9, 1881. During the American Civil War, Brockton was America’s largest producer of shoes, and until the latter parts of the 20th century, Brockton had a large shoe and leather products industry.

Since the company’s 1898 founding, Brockton has been the headquarters city of office supplies retailer W.B. Mason, itself founded to allow those supplies to the city’s shoe industry.

According to the United States Census Bureau, the city has a total Place of 21.6 square miles (56 km), of which 21.5 square miles (56 km²) is house and 0.1 square miles (0.26 km) (0.56%) is water. Brockton is the 162nd largest city by land Place in the Commonwealth, and the twelfth largest of the twenty-seven towns in Plymouth County. Brockton is bordered by Stoughton to the northwest, Avon to the north, Holbrook to the northeast, Abington to the northeast, Whitman and East Bridgewater to the southeast, West Bridgewater to the south, and Easton to the west. Brockton is nearly 25 miles south of Boston, and 30 miles northeast of Providence, Rhode Island.