Proper noun
A town, the county seat of Kent County, Maryland, United States, named after the Chester River.
A hamlet and census-designated place in the town of Chester, Warren County, New York, United States; the name is probably derived from the town.
Source: en.wiktionary.orgIt was succeeded by local papers such as the Chestertown Gazette. Source: Internet
The seat was briefly moved upriver to Quaker Neck, and then to the site of modern Chestertown. Source: Internet