County seats in Massachusetts

Boston () is the capital and most populous city of the U.S. state of Massachusetts. It serves as a cultural and financial center of New England, a region of the Northeastern United States. Boston has an area of and a population of 675,647 as of the 2020 census, making it the third-most populous city in the Northeastern United States after New York City and Philadelphia. The larger Greater Boston metropolitan statistical area had a population of 4.9 million in 2023, making it the largest metropolitan area in New England and the eleventh-largest in the United States.

city in Middlesex County, Massachusetts, United States of America

county seat of Hampden County, Massachusetts, United States

county seat city in Worcester County, Massachusetts, United States

city in Middlesex County, Massachusetts, United States

city in Massachusetts, United States

Nantucket () is an island in Massachusetts, United States, about south of the Cape Cod peninsula. Together with the small islands of Tuckernuck and Muskeget, it constitutes the Town and County of Nantucket, a combined county/town government. Nantucket is the southeasternmost town in both Massachusetts and the New England region. The name "Nantucket" is adapted from similar Algonquian names for the island.

county seat town in Plymouth County, Massachusetts, United States

city and county seat of Berkshire County, Massachusetts, United States

city in Massachusetts, United States

city in Essex County, Massachusetts, United States

county seat of Hampshire County, Massachusetts, United States

town in Massachusetts, United States

city in Bristol County, Massachusetts, United States

city in Massachusetts, United States; county seat of Franklin County

town in Massachusetts, United States

town in Dukes County, Massachusetts, United States

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