Geography

Rivera Department — northern Uruguayan border region Rivera Department Rivera Department is a northern province of Uruguay bordering Brazil, known for its capital Rivera, cross-border commerce, bilingual culture and mixed agricultural and commercial e…

Riverina (New South Wales): geography, agriculture and history Riverina Riverina is a productive agricultural region in south‑west New South Wales, Australia, defined by the Murray and Murrumbidgee river systems and known for irrigation, crops, grazing…

Rivers of Ivory Coast: Major Systems, Characteristics and Uses Rivers of Ivory Coast Survey of Ivory Coast's four principal river systems — Cavally, Sassandra, Bandama and Comoé — their courses to the Gulf of Guinea, hydrology, ecosystems, human uses and key distin…

Riverside County, California Riverside County is a large and varied county in Southern California, with desert valleys, mountains and growing urban areas. Its county seat is Riverside; population was 2,189,641…

Riviera District (Canton Ticino), Switzerland Riviera District Riviera is an Italian-speaking district in the northern part of Canton Ticino, Switzerland, with Biasca as its administrative centre. It combines valley landscapes, transport links…

Riviera-Pays-d'Enhaut District (Vaud, Switzerland) Riviera-Pays-d'Enhaut District A mixed lakeshore and highland administrative district in the canton of Vaud, Switzerland, centered on the town of Vevey and combining Riviera towns with Alpine-style mountain comm…

Rivne Oblast Rivne Oblast is a region in northwestern Ukraine centered on the city of Rivne. Known for Polissya forests, rivers, agricultural lands, and varied history within the Volhynia area.

Roaillan — commune in the Gironde department of southwestern France Roaillan Roaillan is a small French commune in Gironde, Nouvelle‑Aquitaine. It is a rural locality with local government, agricultural activity and ties to the broader Bordeaux region.

Roane County, West Virginia Roane County is a rural county in central West Virginia, established in 1856. Its seat is Spencer. The county is known for wooded hills, small towns, and a largely agricultural and…

Roaring Spring, Kentucky Roaring Spring is a small unincorporated community in Trigg County, Kentucky, named for a nearby cave spring that once produced an audible roar; its post office operated from 1849…

Robat-Karim County A county of Tehran Province in Iran, centered on the city of Robat Karim. Suburban and agricultural, it has historical roots as a roadside caravanserai and serves as a satellite of…

Robeson County, North Carolina: Overview, History, and Community Robeson County, North Carolina Robeson County is a historically diverse county in southern North Carolina, with Lumberton as its county seat. This article summarizes its geography, history, people, economy and n…

Robinson projection A pseudocylindrical compromise world map projection devised by Arthur H. Robinson in 1963 that balances shape and area to produce visually pleasing global maps for atlases and teac…

Rochecolombe (Ardèche) — Commune in southern France Rochecolombe Rochecolombe is a small commune in the Ardèche department of southern France, noted for its hilltop village character, rural landscape, and local heritage within the Auvergne-Rhône…

Roches (Jura bernois), Switzerland Roches, Switzerland Roches is a small French-speaking municipality in the Jura bernois district of the canton of Bern, Switzerland. Overview of its geography, administration, history, economy, and loc…

Rocheservière: commune in Vendée, Pays de la Loire, France Rocheservière Rocheservière is a commune in the Vendée department, Pays de la Loire, western France. This article outlines its geography, administration, history, local life, economy and points…

Rochessauve — a rural commune in Ardèche, France Rochessauve Rochessauve is a small commune in the Ardèche department of southern France. This article summarizes its setting, landscape, likely origins, local life, and visitor-interest featur…

Rochetrejoux: a commune in Vendée, Pays de la Loire Rochetrejoux Rochetrejoux is a small rural commune in the Vendée department of Pays de la Loire, western France. This article covers its location, character, history, local features and practic…

Rock County, Minnesota Rock County is a rural county in southwestern Minnesota with Luverne as its county seat. Known for its prairie landscape, Sioux Quartzite outcrops, and outdoor recreation, it had a…

Rock County, Nebraska Rock County is a sparsely populated, rural county in northern Nebraska. Founded in 1888 with county seat Bassett, it had 1,526 residents at the 2010 census and is largely sustained…

Rock County, Wisconsin Rock County is a county in southern Wisconsin with Janesville as its seat. It combines agricultural lands, manufacturing centers, and river valleys; population was 160,331 at the 2…

Rock Falls, Iowa Rock Falls is a small city in Iowa, United States. This article outlines its setting, historical development, community life, services, economy, and practical information for visit…

Rock pool (tide pool): intertidal habitats and ecology Rock pool Rock pools are shallow basins on rocky shores that retain seawater at low tide. They support diverse, highly adaptable life and illustrate ecological zonation, adaptation, and coas…

Rock Rapids, Iowa — city in Lyon County Rock Rapids, Iowa Rock Rapids is a small city in northwest Iowa, the county seat of Lyon County. It developed beside the Rock River and serves as a local center for government, agriculture, and comm…

Rock Valley, Iowa — overview, history, and community profile Rock Valley, Iowa Rock Valley is a small city in northwestern Iowa known for its agricultural roots, local schools, community events, and role as a service center for surrounding rural areas.

Rockcastle County, Kentucky — overview, history, and features Rockcastle County, Kentucky Rockcastle County is a rural county in Kentucky, formed in 1810 and named for the Rockcastle River. Mount Vernon is the county seat; the area is known for its river corridor, cliff…

Rockerville, South Dakota — History, Character, and Legacy Rockerville, South Dakota Rockerville is a small unincorporated community in the Black Hills of South Dakota, founded during the 1870s gold rush and named for the rockers used in placer mining; it retains h…

Rockford, Iowa Rockford is a small city in Floyd County, Iowa, United States. It is a rural community with local services, historic roots, and ties to regional agriculture and small-business life…

Rockland County, New York Suburban county on the west bank of the Hudson River north of New York City. Covers five towns including Ramapo and Clarkstown; home to about 300,000 people and varied cultural, re…

Rockwall County, Texas — Smallest Texas County and Dallas–Fort Worth Suburb Rockwall County, Texas Rockwall County, northeast of Dallas, is Texas's smallest county by area. Centered on the city of Rockwall, it is a fast-growing suburban county known for its namesake sandstone wa…

Rocky Mountains (The Rockies) — major mountain range of North America Rocky Mountains The Rocky Mountains are a vast north–south chain of peaks and valleys spanning western Canada and the western United States, notable for their geology, ecology, water resources and…

Rœux (commune in Pas-de-Calais) Rœux Rœux is a commune in the Pas-de-Calais department in northern France, historically in Nord-Pas-de-Calais and now part of Hauts-de-France. The article summarizes its geography, admi…

Roézé-sur-Sarthe — commune in Sarthe, Pays de la Loire, France Roézé-sur-Sarthe Roézé-sur-Sarthe is a French commune on the Sarthe river in the Sarthe department, Pays de la Loire region. It combines rural landscapes, local heritage, riverside activities and c…

Roggenhouse — a commune in Haut-Rhin, Grand Est, France Roggenhouse Roggenhouse is a small commune in the Haut-Rhin department of the Grand Est region in north-eastern France. It has a rural character and lies within the historical area of Alsace.

Rogny-les-Sept-Écluses Rogny-les-Sept-Écluses is a small commune in the Yonne department of central France, famous for a historic flight of seven rock-cut staircase locks on the Briare Canal, now preserv…

Rohrbach District, Upper Austria Rohrbach District Rohrbach District is a rural administrative district in the Mühlviertel region of Upper Austria. It comprises 40 municipalities and is known for forests, small industry, cross‑bord…

Roiffieux — commune in the Ardèche department of southern France Roiffieux Roiffieux is a small rural commune in Ardèche, Auvergne-Rhône-Alpes, France. It has agricultural traditions, local services and links with neighbouring communes and regional landsc…

Rojava (Autonomous Administration of North and East Syria) Rojava Rojava is a self-administration in northern Syria with a multiethnic population and a distinctive governance model emphasizing local councils, gender equality and ethnic pluralism…

Rolette County, North Dakota A rural county in northern North Dakota, home to the Turtle Mountain Indian Reservation; includes Rolla (county seat) and a mix of agricultural land, lakes, and tribal communities.

Rolling Fields, Kentucky Small incorporated residential city in Jefferson County near Louisville, known for its suburban character, large lots, and proximity to the Ohio River corridor within the Louisvill…

Rolling Hills, Kentucky Rolling Hills is a small incorporated city in Kentucky, United States, known as a residential suburb with local services and close ties to the broader metropolitan area.

Romagny, Haut-Rhin: a brief guide to the commune in Alsace Romagny, Haut-Rhin Romagny is a small commune in the Haut-Rhin department of Alsace in eastern France. This article outlines its setting, administration, cultural background and typical local feature…

Romania: geography, history, government and culture Romania Romania is a Southeastern European country on the Lower Danube and Black Sea, with Carpathian mountains, a Latin-based language, circa 19 million people, EU and NATO membership, an…

România Mare — meanings, history and political uses România Mare România Mare (literally “Great Romania”) can denote the enlarged Romanian state after World War I, a cultural-historical idea, or the name adopted by a post‑communist nationalist p…

Romanian — language, people, and culture Romanian Romanian denotes the Eastern Romance language spoken in Romania and Moldova, the people of Romania, and anything pertaining to Romania’s culture, history, and regional varieties.

Rombach-le-Franc — commune in Haut-Rhin, Grand Est, France Rombach-le-Franc Rombach-le-Franc is a small commune in the Haut-Rhin department of the Grand Est region in northeastern France. This entry outlines its location, administration, landscape, history…

Romney Marsh — coastal lowland of Kent and East Sussex Romney Marsh Romney Marsh is a low-lying coastal wetland in southeastern England known for reclaimed farmland, salt-making history, military defences and distinctive wildlife and towns.

Ronchères (Aisne): small commune in northern France Ronchères, Aisne Ronchères is a rural commune in the Aisne department of northern France, historically part of Picardie. This article summarizes its location, landscape, local life, history, and ad…