Massachusetts's 1st congressional district is a United States congressional district located in the western and central part of Massachusetts. The state's largest congressional district in area, it covers about one-third of the state and is more rural than the rest. It has the state's highest point, Mount Greylock; the district includes the cities of Springfield, West Springfield, Pittsfield, Holyoke, Agawam, Chicopee and Westfield.

Agawam is a city in Hampden County, Massachusetts, United States. The population was 28,692 at the 2020 census. Agawam sits on the western side of the Connecticut River, directly across from Springfield. It is considered part of the Springfield Metropolitan Statistical Area, which is contiguous with the Knowledge Corridor area, the second-largest metropolitan area in New England. Agawam contains a subsection, Feeding Hills. The Six Flags New England amusement park is located in Agawam, on the banks of the Connecticut River.