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is a borough in Northampton County, Pennsylvania, United States. Freemansburg is located in the Lehigh Valley region of the state.
According to the United States Census Bureau, the borough has a total area of 0.8 square miles (2.0 km²), of which, 0.7 square miles (1.9 km²) of it is land and 0.04 square miles (0.1 km²) of it (5.26%) is water.