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is a borough in Windham County, Connecticut, within the town of Killingly. The population was 4,265 at the 2000 census.
According to the United States Census Bureau, the borough has a total area of 1.2 square miles (3.2 km²), of which, 1.1 square miles (2.8 km²) of it is land and 0.1 square miles (0.3 km²) of it (9.02%) is water.