770 articles
Riverside County, California
Riverside County, California: county formed May 9, 1893 from San Bernardino and San Diego counties, seat at Riverside city. Fourth-largest California county, about 2.5 million residents, logistics- and tourism-driven Inland Empire economy.
Rockingham
Rockingham, WA: coastal suburb and City of Rockingham local government area about 40 km south-west of Perth, named after the 1830 settler ship Rockingham; suburb population 15,312, City around 160,000, near HMAS Stirling.
Rockland County, New York
Rockland County, New York: county founded February 23, 1798 from Orange County; county seat New City; smallest New York county outside NYC with 338,329 residents (2020), largest per-capita Jewish population, and a three-source water supply.
Rømskog
Rømskog, former municipality in Østfold, Norway (kommunenr 0121, 183.14 km²), created 1902 from Rødenes; forestry village on Lake Rømsjøen; merged into Aurskog-Høland in Akershus 1 January 2020.
Røyken
Røyken (Old Norse Hraukvín) was a municipality in Buskerud, Norway, established 1837, population 22,635 (2019), merged with Hurum and Asker into Asker kommune on 1 January 2020.
Rrethi i Kolonjës
Rrethi i Kolonjës (Kolonjë District) was a district of Korçë County, Albania, seat Ersekë; now Bashkia Kolonjë with 8 units, 76 villages, 860 km², census population 7,519.
Rrethi i Mallakastrës
Rrethi i Mallakastrës (District of Mallakastra) was a former district of Albania in southern Fier county, home to the ancient Illyrian city of Byllis and oil resources.
Rūjienas Novads
Rūjienas Novads (Rūjiena Municipality) was a Latvian municipality in northern Vidzeme, 2009–2021, centered on Rūjiena town with Ipiķu, Jeru, Lodes, and Vilpulkas parishes; 353 km², about 5,000 residents, merged into Valmiera Municipality in 2021.
Rutland
Rutland, England's smallest historical county, is a unitary authority in the East Midlands governed by Rutland County Council since 1997; population 41,000 (2021), now slated to merge into a larger Leicestershire and Rutland unitary under paused 2026 reorganisation plans.
Sacramento County, California
Sacramento County, California: a 994-square-mile Central Valley county founded 1850, seat of California state government, seven incorporated cities, population about 1.6 million.
Saigon (ward)
Saigon ward is a commune-level administrative unit in central Ho Chi Minh City, Vietnam, created in 2025 to replace parts of the former District 1.
Saint Charles County
Saint Charles County, Missouri: county in the St. Louis metro area, organized October 1, 1812 as one of five original Missouri counties, named for St. Charles Borromeo; county seat St. Charles; 2025 population about 426,499, 3rd of 115 Missouri counties.
Salvador, Bahia
Salvador (Salvador da Bahia), capital of Bahia state in northeast Brazil, founded 1549 by Tomé de Sousa; Brazil's first capital 1549–1763, first New World slave market from 1558, UNESCO-listed historic centre since 1985, population about 2.4 million.
San Bernardino County, California
San Bernardino County is a county in Southern California, created from Los Angeles County in 1853. It is the largest US county by area and had 2,181,654 residents in 2020.
San Diego County, California
San Diego County, California: southwesternmost California county on the Mexico border, established 1850, second most populous of 58 counties, 3.28 million residents, $8.63 billion FY 2025-26 budget, $266.9 billion regional economy.
San Joaquin County, California
San Joaquin County, California: Central Valley county established 1850, county seat Stockton, eight cities, 823,815 residents (2025 est.), $3.15 billion agriculture, Port of Stockton, governed by a five-member Board of Supervisors.
San Luis Obispo County, California
San Luis Obispo County is a Central Coast California county, one of the original 27 counties (1850), seat at San Luis Obispo, population 282,424 (2020), 3,300 square miles, 100 miles of coastline.
San Mateo County, California
San Mateo County, California: Bay Area county on the San Francisco Peninsula, created April 19, 1856 from San Francisco County; seat Redwood City; 764,442 residents (2020); highest-in-state median home price.
Sanaa (district)
Sanaa (district): the ten districts (muderiat) of Sana'a city, Yemen, organized under Amanat al-Asimah (Capital Municipality), a governorate-status entity created by 1983 decree and divided into ten districts in 2001, distinct from surrounding 16-district Sana'a Governorate.
Sandwell
Sandwell: metropolitan borough in the West Midlands, England, formed 1974 from six towns (West Bromwich, Oldbury, Smethwick, Wednesbury, Tipton, Rowley Regis). Black Country borough of 341,835 people (2021), governed by Sandwell Council.
Sangamon County
Sangamon County, Illinois: central Illinois county established January 30, 1821 from Madison and Bond counties, county seat Springfield (state capital), named for the Sangamon River; population about 194,000.
Santa Barbara County, California
Santa Barbara County, California: coastal county, county seat Santa Barbara, one of the original 27 counties created February 18, 1850, named for Mission Santa Barbara (1786); 2020 population 448,229.
Santa Bárbara d'Oeste
Santa Bárbara d'Oeste is a São Paulo state municipality in the Campinas metropolitan region, founded 4 December 1818 by Margarida da Graça Martins, settled by US Confederate immigrants after 1867, and home of the Romi-Isetta, the first Brazilian automobile; 2022 population 183,347.
Santa Cruz Cabrália
Santa Cruz Cabrália is a municipality on the Discovery Coast in southern Bahia, Brazil, near Porto Seguro, where the first Mass in Brazil was celebrated in 1500.
Santa Fe County
Santa Fe County, New Mexico: county seat Santa Fe, the state capital. Established 1852 in New Mexico Territory; 154,823 residents (2020 census), 1,910.38 sq mi of land, FIPS 35049.
Santa Luzia, Minas Gerais
Santa Luzia (MG), IBGE code 3157807, is a municipality in the Belo Horizonte metropolitan region on the Rio das Velhas; founded 1692 in the gold cycle, a commercial entrepot, imperial city, 13th most populous in Minas Gerais.
Santa Maria, Rio Grande do Sul
Santa Maria, Rio Grande do Sul, Brazil: central-region municipality, home of UFSM (first federal university in the interior), major military contingent, historic Gare railway station, and 2024 flood resettlement.
Santarém, Pará
Santarém, Pará: major Amazonian Brazilian municipality at the Amazon–Tapajós confluence, western Pará. Second-largest urban agglomeration of Pará; 331,942 residents (2022 census); port city, soy export hub, and growing tourist destination.
Santo André, São Paulo
Santo André (SP), Brazil: large ABC Paulista municipality in the São Paulo metro region; 748,919 residents (2022 census), 175.8 km², IDHM 0.815; founded as the 1553 Vila de Santo André da Borda do Campo, renamed from São Bernardo in 1938. Distinct from Santo André, Paraíba.
São Carlos, São Paulo
São Carlos, São Paulo (São Carlos, SP), a Brazilian municipality in central São Paulo state, 234 km from the capital; 254,857 residents (2022 census), founded 1857, coffee-era railway town now a technology hub with USP and UFSCar.