Canada

• Kings County, New Brunswick
  Kings County, New Brunswick
  Kings County is located in southern New Brunswick, Canada.Both the Saint John and Kennebecasis rivers pass through the county.Dairy farming is an important industry in the area...
  
  
• Kings County, Nova Scotia
  Kings County, Nova Scotia
  Kings County is a county in the Canadian province of Nova Scotia.Kings County is located in central Nova Scotia on the shore of the Bay of Fundy with its northeastern part also forming the western shore of the Minas Basin....
  
  
• Kings County, Prince Edward Island
  Kings County, Prince Edward Island
  Kings County is located in eastern Prince Edward Island, Canada.It is the province's smallest, most rural and least-populated county. Kings County is also least dependent upon the agriculture industry compared with the other two counties, while being more heavily dependent on the fishery and...
  
   and the related King's County (electoral district)
  King's County (electoral district)
  King's County was a federal electoral district in Prince Edward Island, Canada, that was represented in the Canadian House of Commons from 1873 to 1896.This riding was created in 1873 when Prince Edward Island joined the Canadian Confederation....
  
  

United States of America

• Kings County, California
  Kings County, California
  Kings County is a county located in the Central Valley of the U.S. state of California. It is located in a rich agricultural region. Kings County is also home to NAS Lemoore, which is the U.S. Navy's newest and largest master jet air station. The county seat is Hanford...
  
  
• Kings County, New York
  Brooklyn
  Brooklyn is the most populous of New York City's five boroughs, with nearly 2.6 million residents, and the second-largest in area. Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated...
  
   (the New York City borough of Brooklyn)
• King's County is the former name of Washington County, Rhode Island
  Washington County, Rhode Island
  Washington County, commonly known colloquially as South County, is a county located in the southwestern part of the U.S. state of Rhode Island. Washington County borders Kent County to the north, New London County in Connecticut to the west, Suffolk County in New York to the southwest, the Atlantic...
  
  , changed in 1781