Edgefield County is a county located on the western border of the U.S. state of South Carolina. As of the 2020 census, its population was 25,657. Its county seat and largest community is Edgefield. The county was established on March 12, 1785.
Richmond County is located in the state of Georgia in the U.S. As of the 2020 census, the population was 206,607. It is one of the original counties of Georgia, created on February 5, 1777. Following an election in 1995, Augusta consolidated governments with Richmond County. The consolidated entity is known as Augusta-Richmond County, or simply Augusta. Exempt are the cities of Hephzibah and Blythe, in southern Richmond County, which voted to remain separate. Richmond County is included in the Augusta-Richmond County, GA-SC metropolitan statistical area.
Augusta is a city on the central eastern border of the U.S. state of Georgia. The city lies directly across the Savannah River from North Augusta, South Carolina at the head of its navigable portion. Georgia's third most populous city, Augusta is located in the Fall Line section of the state.
The Indianapolis metropolitan area is an 11-county metropolitan area in the U.S. state of Indiana. Its principal cities are Indianapolis, Carmel, Greenwood, and Anderson. Other primary cities with populations of more than 50,000 include Fishers, Noblesville, and Westfield. Located in Central Indiana, it is the largest metropolitan area entirely within Indiana and the seventh largest in the American Midwest.
The Phoenix metropolitan area, also known as the Valley of the Sun, the Salt River Valley, metro Phoenix, or The Valley, is the largest metropolitan statistical area in the Southwestern United States, with its largest principal city being the city of Phoenix. It includes much of central Arizona. The United States Office of Management and Budget designates the area as the Phoenix–Mesa–Chandler Metropolitan Statistical Area (MSA), defining it as Maricopa and Pinal counties. It anchors the Arizona Sun Corridor megaregion along with the second-most populous metropolitan area in the state, the Tucson metropolitan area. The gross domestic product of the Phoenix metropolitan area was $362 billion in 2022, 14th highest amongst metro areas in the United States.
Interstate 520 (I-520) is a 23.34-mile (37.56 km) auxiliary Interstate Highway that encircles most of Augusta, Georgia, and North Augusta, South Carolina, as a three-quarter beltway around the western, southern, and eastern parts of the main part of the Augusta metropolitan area. It begins at I-20 and State Route 232 (SR 232) in the northern part of Augusta, Georgia, and ends at I-20 in the northern part of North Augusta, South Carolina. I-520 is also known as Bobby Jones Expressway and the Deputy James D. Paugh Memorial Highway in Georgia and Palmetto Parkway in South Carolina. On the Georgia side, the road also carries the internal designation State Route 415 (SR 415).
The Miami metropolitan area is a coastal metropolitan area in southeastern Florida. It is the ninth-largest metropolitan statistical area (MSA) in the United States, the fifth-largest metropolitan area in the Southern United States, and the largest metropolitan area in Florida. It is also known as South Florida, SoFlo, SoFla, the Gold Coast, Southeast Florida, the Tri-County Area, or Greater Miami, and officially as the Miami–Fort Lauderdale–West Palm Beach Metropolitan Statistical Area. With a population of 6.18 million, its population exceeds 31 of the nation's 50 states as of 2023. It comprises the three most populated counties in the state, Miami-Dade County, Broward County, and Palm Beach County, which rank as the first, second, and third-most populous counties in the state, respectively. Miami-Dade County, with 2,701,767 people in 2020, is the seventh-most populous county in the United States.
The Greater Richmond Region, also known as the Richmond metropolitan area or Central Virginia, is a region and metropolitan area in the U.S. state of Virginia, centered on Richmond. The U.S. Office of Management and Budget (OMB) defines the area as the Richmond, VA Metropolitan Statistical Area, a metropolitan statistical area (MSA) used by the U.S. Census Bureau and other entities. The OMB defines the area as comprising 17 county-level jurisdictions, including the independent cities of Richmond, Petersburg, Hopewell, and Colonial Heights. As of 2020, it had a population of 1,314,434, making it the 44th largest MSA in the country.
The Jacksonville Metropolitan Area, also called the First Coast, Metro Jacksonville, or Northeast Florida, is the metropolitan area centered on the principal city of Jacksonville, Florida and including the First Coast of North Florida. As of the 2020 United States census, the total population was 1,605,848. The Jacksonville–Kingsland–Palatka, FL–GA Combined Statistical Area (CSA) had a population of 1,733,937 in 2020 and was the 34th largest CSA in the United States. The Jacksonville metropolitan area is the 40th largest in the country and the fourth largest in the State of Florida, behind the Miami, Tampa, and Orlando metropolitan areas.
The Central Savannah River Area (CSRA) is an unofficial trading and marketing region in the U.S. states of Georgia and South Carolina, spanning thirteen counties in Georgia and seven in South Carolina. The term was coined in 1950 by C.C. McCollum, the winner of a $250 contest held by The Augusta Chronicle to generate the best name for the area. Today the initialism is so commonly used that the full name is not known to all CSRA residents. The region is located on and named after the Savannah River, which forms the border between the two states. The largest cities within the CSRA are Augusta, Georgia and Aiken, South Carolina.
The Valdosta metropolitan area, designated the Valdosta metropolitan statistical area by the U.S. Office of Management and Budget, is a metropolitan statistical area consisting of four counties—Brooks, Echols, Lanier, and Lowndes—centered on the city of Valdosta. Located in Southeast Georgia, the metropolitan area's population was 151,118 according to 2023 U.S. census estimates, up from 149,849 at the 2020 U.S. census.
The Montgomery, Alabama Metropolitan Statistical Area is a metropolitan area in central Alabama. As of 2020, the MSA had a population of 386,047, ranking it 142nd among United States Metropolitan Statistical Areas. That number is up +3.07% from the 2010 census number of 374,536.
The Wichita, Kansas Metropolitan Statistical Area, as defined by the United States Office of Management and Budget, is an area consisting of four counties in south central Kansas, its only principal city is Wichita and its only central county is Sedgwick County. As of the 2023 American Community Survey, the MSA had a population of 652,939.
As defined by the U.S. Office of Management and Budget, and used by the U.S. Census Bureau for statistical purposes only, the Columbia, SC Metropolitan Statistical Area, is an area consisting of six counties in central South Carolina, anchored by the city of Columbia. The current population has an estimation of 837,092. It is the second-largest metropolitan statistical area in the state of South Carolina, since the Anderson metropolitan statistical area was combined with Greenville's following the 2010 census.
Metro Atlanta, designated by the United States Office of Management and Budget as the Atlanta–Sandy Springs–Roswell metropolitan statistical area, is the most populous metropolitan statistical area in the U.S. state of Georgia and the sixth-largest in the United States, based on the July 1, 2023 metropolitan area population estimates from the U.S. Census Bureau. Its economic, cultural, and demographic center is Atlanta, and its total population was 6,307,261 in the 2023 estimate from the U.S. Census Bureau.
Coastal Georgia is a ten-county region in the U.S. state of Georgia, bordering South Carolina and Florida. It comprises a substantial portion of the state's Lower Coastal Plain. The region's largest city and metropolitan area is Savannah. Coastal Georgia's total population was 731,630 according to the 2020 United States census. Largest cities in the region: Savannah, Hinesville, Statesboro, Pooler, St Marys, Kingsland, Richmond Hill, Wilmington Island, St Simons Island, Brunswick, Georgetown, Rincon, Port Wentworth, Garden City, Fort Stewart, Country Club Estates, Skidaway Island, Dock Junction, Whitemarsh Island.
The Savannah metropolitan area, officially named the Savannah metropolitan statistical area by the U.S. Office of Management and Budget, is a metropolitan statistical area in the U.S. state of Georgia. It is centered on the city of Savannah and encompasses three counties: Bryan, Chatham, and Effingham.
Several special routes of U.S. Route 25 (US 25) exist. In order from south to north, they are as follows.
Gordon Highway is a 22.8-mile-long (36.7 km) major highway in the east-central part of the U.S. state of Georgia, traveling through the southern part of Columbia County and the northeastern part of Richmond County. It is named after Confederate general John Brown Gordon. At its western end, it is a relatively rural highway, but at its eastern end, it is an urban corridor of the Augusta metropolitan area. It connects Harlem and rural areas of southern Columbia County with Augusta and North Augusta, South Carolina. It also serves as the two main entry points to Fort Eisenhower, formerly Fort Gordon. Its entire length, from the southeastern edge of Harlem to the Georgia–South Carolina state line on the northeastern edge of Augusta, is signed as part of US 78/US 278/SR 10. In Augusta, it is signed as parts of US 1 and US 25/SR 121.
East Georgia is a thirteen-county region in the U.S. state of Georgia, bordering South Carolina. North of Coastal Georgia and the Lower Coastal Plain, part of the region lies in the Fall Line section of the state. The largest county by population in East Georgia is Richmond County, and its most populous city is Augusta, anchoring the Augusta metropolitan statistical area. Tabulating the region's counties, its population as of the 2020 U.S. census was 479,864. Largest cities in the region: Augusta, Evans, Martinez, Grovetown, Thomson.
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South Carolina 
