Gaston County is a county in the U.S. state of North Carolina. As of the 2010 census, the population was 206,086. The county seat is Gastonia. Dallas served as the original county seat from 1846 until 1911. Gaston County is included in the Charlotte-Concord-Gastonia, NC-SC Metropolitan Statistical Area. It is the fourth largest county in the metropolitan area, behind Mecklenburg County, York County and Union County as of the 2018 US Census estimates. It is located in the southern Piedmont region. Of North Carolina's 100 counties, Gaston County ranks 74th in size, consisting of approximately 364.5 square miles (944 km2), and is tenth in population. The county has fifteen incorporated towns. In addition to fifteen incorporated towns and cities, there are several unincorporated communities such as Hardin, Lucia, Crowders Mountain, Sunnyside, Alexis, Tryon, and North Belmont.
Charlotte () is the most populous city in the U.S. state of North Carolina. Located in the Piedmont region, it is the county seat of Mecklenburg County. In 2020, the U.S. Census Bureau found that the population was 874,579, making it the 16th-most populous city in the U.S. and the second-largest in the Southeast behind Jacksonville, Florida. The city is the cultural, economic, and transportation center of the Charlotte metropolitan area, whose population ranks 23rd in the U.S., and had a population of 2,660,329, in 2020. The Charlotte metropolitan area is part of a sixteen-county market region or combined statistical area with a 2020 census-estimated population of 2,846,550.Between 2004 and 2014, Charlotte was ranked as the country's fastest-growing metro area, with 888,000 new residents. Based on U.S. Census data from 2005 to 2015, Charlotte tops the U.S. in millennial population growth. It is the third-fastest-growing major city in the United States. Residents are referred to as "Charlotteans".Charlotte is home to the corporate headquarters of Bank of America, Truist Financial, and the east coast headquarters of Wells Fargo, which along with other financial institutions has made it the second-largest banking center in the United States.Among Charlotte's many notable attractions, some of the most popular include the Carolina Panthers (NFL), the Charlotte Hornets (NBA), the Coca-Cola 600, the Wells Fargo Championship, the NASCAR Hall of Fame, the Charlotte Ballet, Children's Theatre of Charlotte, Carowinds amusement park, and the U.S. National Whitewater Center. Charlotte has a humid subtropical climate. It is located several miles east of the Catawba River and southeast of Lake Norman, the largest man-made lake in North Carolina. Lake Wylie and Mountain Island Lake are two smaller man-made lakes located near the city.
Lake Norman, created between 1959 and 1964 as part of the construction of the Cowans Ford Dam by Duke Energy, is the largest man-made body of fresh water in North Carolina.
York County is a county in the U.S. state of South Carolina. As of the 2010 United States Census, the population was 226,073. Its county seat is the city of York, and its largest city is Rock Hill. The county is served by one interstate highway, I-77. York County is part of the Charlotte-Concord-Gastonia Metropolitan Statistical Area.