What is the seat of the county that includes the villae of East Nassau, New York?
East Nassau, New York East Nassau is a village in Rensselaer County, New York, United States. The population was 587 at the 2010 census.
Hamilton County, New York Hamilton County is a county in the U.S. state of New York. As of the 2010 census, the population was 4,836, making it New York's least populous county. Its county seat is Lake Pleasant. The county is named after Alexander Hamilton, the only member of the New York State delegation who signed the United States Constitution in 1787 and later the first United States Secretary of the Treasury. The county was created in 1816 and organized in 1847.