Question: Population of 778, what is Nassu County border to?

full_context: Document 1: Village of the Branch, New York: Village of the Branch is a village in the Town of Smithtown in Suffolk County, New York, United States. The population was 1,807 at the 2010 census. The village incorporated in 1927.
Document 2: Commack School District: Commack Union Free School District is a public school district located in Suffolk County, New York and is based throughout Dix Hills and Commack. It serves residents of Commack as well as parts of Dix Hills, Smithtown and East Northport. It serves approximately 7,800 students. There are four primary schools (grades K–2), two intermediate schools (grades 3–5) one middle school (grades 6–8) and one high school (grades 9–12).
Document 3: Hauppauge Union Free School District: Hauppauge Union Free School District is a school district based in Hauppauge, New York. It is near the Commack School District and Half Hollow Hills Central School District, as well as the Syosset Central School District and Jericho Union Free School District in Nassau County
Document 4: Salisbury, Nassau County, New York: Salisbury is a hamlet and census-designated place (CDP) in Nassau County, New York, United States. The population was 12,093 at the 2010 census. Many [William Levitt|Levitt]] style homes lie adjacent to Eisenhower Park, formerly Salisbury Park. Although sometimes referred to by realtors as "South Westbury", Salisbury is located in the Town of Hempstead, but located in the Westbury postal zone, served by the Westbury Railroad Station of the Long Island Railroad, shares fire districts with Westbury and East Meadow, and is within the East Meadow School District. The hamlet is 90% residential, with strip malls along Old Country Road and Carmen Avenue. There is a single house of worship, a Conservative Jewish synagogue. Most residents attend religious services in Westbury-proper. Nassau County Medical Center is nearby in East Meadow
Document 5: Nassau County, New York: Nassau County is a suburban county on the western side of Long Island in the U.S. state of New York. At the 2010 census, the county's population was 1,339,532, estimated to have increased to 1,361,500 in 2016. The county seat is in the Village of Garden City, within the boundaries of the Mineola 11501 zip code.
Document 6: Half Hollow Hills Central School District: Half Hollow Hills Central School District (#5) is located in parts of Dix Hills and Melville, New York, as well as small parts of Wyandanch, Deer Park, West Hills, and Wheatley Heights. The district includes parts of both Huntington and Babylon townships. The school district comprises nine schools (five elementary, two middle, and two high schools).
Document 7: Sewanhaka Central High School District: The Sewanhaka Central High School District is a central high school district located in western Nassau County on Long Island, in New York State. The district is currently composed of five high schools: Sewanhaka High School, Elmont Memorial High School, New Hyde Park Memorial High School, Floral Park Memorial High School, and H. Frank Carey Junior-Senior High School.
Document 8: Port Washington, New York: Port Washington is a hamlet and census-designated place (CDP) in Nassau County, New York on the North Shore of Long Island. As of the United States 2010 Census, the community population was 15,846.
Document 9: Hewlett-Woodmere School District: The Hewlett-Woodmere Public School District, Union Free School District 14, is located in the southwest section of Nassau County, New York and borders the New York City borough of Queens. Communities in the district include, in full or in part, Hewlett, Woodmere, Woodsburgh, North Woodmere an unincorporated area of Valley Stream, the Gibson section of Valley Stream, Hewlett Harbor, Hewlett Neck, and Hewlett Bay Park, as well as parts of Lynbrook, all comprise the geographical boundaries for the school district. There are approximately 3,200 students enrolled in pre-K through 12th grade. The district is operated under the supervision of a seven-member Board of Education.
Document 10: Island Trees Union Free School District: Island Trees Union Free School District is a school district in central Nassau County on Long Island, approximately 31 miles east of New York City. The district includes parts of the following hamlets; Levittown, Bethpage and Seaford.
Document 11: Herricks Union Free School District: The Herricks Union Free School District is a school district located in western Nassau County on Long Island, in New York State. The district lies within the Greater New Hyde Park area and serves a number of communities including Herricks, Garden City Park, Manhasset Hills, Searingtown, North Hills, Williston Park and Albertson.
Document 12: Old Westbury, New York: Old Westbury is a village in Nassau County, in the U.S. state of New York, on the North Shore of Long Island. As of the 2010 United States Census, the village population was 4,671.
Document 13: Ridgewood, New Jersey: Ridgewood is a village in Bergen County, New Jersey, United States. As of the 2010 United States Census, the village population was 24,958, reflecting an increase of 22 (+0.1%) from the 24,936 counted in the 2000 Census, which had in turn increased by 784 (+3.2%) from the 24,152 counted in the 1990 Census. Ridgewood is a suburban bedroom community of New York City, located approximately 20 miles northwest of Midtown Manhattan.
Document 14: Nassau (town), New York: Nassau is a town in Rensselaer County, New York, USA. The population was 4,789 at the 2010 census.
Document 15: Woodsburgh, New York: Woodsburgh is a village in Nassau County, New York in the United States. The population was 778 at the 2010 census.
ground_truth: Queens