About the Village of Great Neck. The Village of Great Neck is located in the northwest section of Nassau County, within the Great Neck peninsula. The Village is one of many villages located on this peninsula, which is bounded on the west by Little Neck Bay, and on the east by Manhasset Bay. The Village's present population is estimated at 11,145 (2020 U.S. Census estimate) and covers an area of approximately one and four tenths square miles. A la...