All articles starting with R
22,461 articles
Región de Atacama
Región de Atacama (Atacama Region, III Region), a Chilean region in the Norte Chico with capital Copiapó, 75,176 km², 3 provinces, 9 comunas, about 299,000 people (Censo 2024), and a copper-dominated mining economy.
Region de Calakmul Biosphere Reserve
Region de Calakmul Biosphere Reserve (Reserva de la Biosfera Calakmul), Campeche, Mexico: 723,185-ha tropical forest reserve decreed 1989, UNESCO MAB network 1993, core of the mixed World Heritage property with the Maya city of Calakmul, five of Mexico's six wildcat species, and Tren Maya conservation disputes.
Région de Fès-Boulemane
Fès-Boulemane (جهة فاس بولمان) was a Moroccan region from 1997 to 2015, capital Fès, grouping the Fès prefecture with Sefrou, Moulay Yacoub, and Boulemane provinces; it merged into Fès-Meknès in 2015.
Región de Guayana
Región de Guayana (Guayana Region) is a large historical region of southeastern Venezuela lying south and east of the Orinoco River, on the Venezuelan part of the Guiana Shield.
Région de Kaffrine
Région de Kaffrine, central Senegal administrative region created in 2008 from the former Kaffrine department of Kaolack; four departments (Birkelane, Kaffrine, Malem Hodar, Koungheul); agriculture-dominated economy, among Senegal's poorest regions.
Región de los Canales
Región de los Canales, a historical geographic region of southern Chile from Chiloé to Cape Horn, also called Zona Patagonica; a fjord-and-channel labyrinth holding about 95% of Chile's coastline.
Región de los Lagos
Región de los Lagos (Los Lagos Region), a Chilean region created in 1974 with capital Puerto Montt; 4 provinces, 30 comunas, 890,284 people (2024 census), 48,583.6 km²; economy led by salmon aquaculture, dairy, forestry, and tourism.
Región de los Ríos
Región de Los Ríos (XIV Región), Chilean region created by Law 20.174 in 2007, capital Valdivia, provinces Valdivia and Ranco, 12 comunas, 18,429.5 km², about 398,230 people in the 2024 census, forest-covered economy.
Région de Meknès-Tafilalet
Meknès-Tafilalet (مكناس تافيلالت), a former region of Morocco (1996-2015) with chief town Meknès, five provinces, 73,695 km², 2.28 million people in 2014; split into Fès-Meknès and Drâa-Tafilalet in 2015.
Región de Ñuble
Región de Ñuble, Chile's XVI region, created by Law 21.033 effective 6 September 2018 with capital Chillán; 3 provinces, 21 comunas, 13,178.5 km², smallest region by area, agricultural economy.
Région de Rabat-Salé-Zemmour-Zaër
Rabat-Salé-Zemmour-Zaër (الرباط سلا زمور زعير), a former region of Morocco around capital Rabat and Salé; 10,226 km², 2.37 million people in 2004; merged into Rabat-Salé-Kénitra in 2015.
Région de Sédhiou
Région de Sédhiou, Senegalese administrative region in Casamance, capital Sédhiou; created 2008 from Kolda region by law 2008-14; 7,341 km², 589,264 people (2023), three departments, high poverty and fertility.
Région de Thiès
Région de Thiès is one of Senegal's 14 administrative regions, 70 km east of Dakar, with the city of Thiès as its capital and Mbour, Thiès, and Tivaouane as its three departments.
Région du Grand Casablanca
Région du Grand Casablanca, a former Moroccan region (1997-2015) on the Atlantic coast around Casablanca, replaced by Casablanca-Settat; about 13% of Morocco's population, 47% of its industries, and a quarter of national GDP.
Region growing
Region growing, also known as the region growing algorithm, is an image segmentation method that grows connected regions from seed points by adding similar neighboring pixels.
Región Levantina
Región Levantina (Spanish Levante), Spain's Mediterranean eastern coastal region covering Valencia, Murcia, Almería and the Balearics; term coined by geographer Juan Dantín Cereceda around 1910; Mediterranean semi-arid climate and namesake easterly wind.
Region of Murcia
Region of Murcia (Región de Murcia), a uniprovincial autonomous community in southeast Spain under Organic Law 4/1982; capital Murcia, Assembly in Cartagena; highest Spanish regional GDP growth in 2025 (3.8%), semi-arid Segura basin economy.
Region of Republican Subordination
The Region of Republican Subordination (Nohiyahoyi tobe'i jumhuriy) is a region of Tajikistan, centered on Dushanbe, whose districts are administered directly by the central government.
Region proposal network
A region proposal network (RPN) is a fully convolutional module that scans a shared image feature map and predicts candidate object regions, introduced in Faster R-CNN in 2015.
Region Sjælland
Region Sjælland (Region Zealand), Danish region created 1 January 2007 from Roskilde, Western Zealand, and Storstrøm counties; 17 municipalities, 858,102 residents, 7,227 km²; merges into Region Eastern Denmark in 2027.
Region Syddanmark
Region Syddanmark (Region of Southern Denmark), Danish region since 2007 covering Southern Jutland and Funen, seat Vejle, 22 municipalities, 1.2 million people; health-led, reorganized for the 2027 health reform with four health councils.
Regional accents of English
Regional accents of English, also called accents of English or English regional accents: systematic pronunciation differences tied to region, studied via Wells' lexical sets, RP and General American norms, and British dialect atlases.
Regional and countywide school districts in New Jersey
Regional and countywide school districts in New Jersey are multi-municipality districts serving several towns, including 45 regional high school districts, 21 county vocational districts, and 7 county special services districts.
Regional and local anesthesia in animals
Regional and local anesthesia in animals is the veterinary use of drugs such as lidocaine and bupivacaine to numb specific nerves, reducing pain during surgery and injury.
Regional and national coral reef conservation initiatives
Regional and national coral reef conservation initiatives are government-led programs and regional treaties coordinating reef protection in the Caribbean, Red Sea, Indian Ocean, and Pacific.
Regional and national shellac 78 rpm production
Regional and national shellac 78 rpm production covers how countries pressed shellac 78 rpm discs differently, from India's Calcutta plants and Japan's Nitchiku to wartime American shellac rationing and reformulation.
Regional and national women-in-physics conferences
Regional and national women-in-physics conferences are recurring meetings giving women physics students role models, career information, and mentoring, including the American CUWiP series that began in 2006.
Regional and special custom in international law
Regional and special custom, also called particular custom, is customary international law that binds only a limited number of states, sometimes only two, rather than all states.
Regional at Best
Regional at Best is Twenty One Pilots' second studio album, self-released July 8, 2011; the band's first record with Josh Dun and last independent album before Fueled by Ramen, discontinued since 2012 with six tracks re-recorded for Vessel.
Regional autonomy in Indonesia
Regional autonomy in Indonesia (otonomi daerah) is the authority of Indonesia's autonomous regions to manage their own governmental affairs, established by 1999 laws and effective from 2001.