First-order subdivisions

Ukrainian Soviet Socialist Republic (Українська Радянська Соціалістична Республіка)

Ukrainian Soviet Socialist Republic (УРСР, Ukrainian SSR): Soviet republic proclaimed in Kharkiv 1917, founding USSR republic 1922, capital Kyiv from 1934, 51.7 million people in 1989, ended by independence declaration 24 August 1991.

Ulyanovsk Oblast

Ulyanovsk Oblast (Ульяновская область), a Volga Federal District region of Russia formed 19 January 1943 with capital Ulyanovsk; 37.2 thousand km², about 1.17 million people, machine-building and aviation economy.

Umbria

Umbria, landlocked region of central Italy bordered by Tuscany, Marche, and Lazio; capital Perugia; two provinces (Perugia, Terni); 851,954 residents in 2025; known as the green heart of Italy.

United Provinces of Agra and Oudh

United Provinces of Agra and Oudh: British Indian province formed 1902 from North-Western Provinces and Oudh; renamed United Provinces 1937 and Uttar Pradesh on 24 January 1950.

Unity

Unity State (Al Wahida), capital Bentiu, is an oil-producing state of northern South Sudan, the country's only majority-Nuer state, hosting the largest IDP population, about 455,000 people, and Bentiu IDP Camp.

Upper Austria

Upper Austria (Oberösterreich) is an Austrian federal province with capital Linz, about 1.54 million residents, 11,985 km², four historic quarters, an industrial economy, and the Salzkammergut lake district.

Upper Garonne

Upper Garonne (Haute-Garonne), French department 31 in Occitanie with prefecture Toulouse; 586 communes, 1,471,468 inhabitants in 2023, fastest-growing in Occitanie, dominated by the aerospace industry.

Upper Nile (district)

Upper Nile State, a state of northeastern South Sudan bordering Sudan, capital Malakal, 12 counties, 77,004 km2, about 1.86 million people in 2025, heavy displacement and returns, and conflict since March 2025.

Upper Savoy

Upper Savoy (Haute-Savoie, dept. 74), a French department in Auvergne-Rhône-Alpes bordering Switzerland and Italy; prefecture Annecy; 861,158 inhabitants in 2023, strong growth, Geneva cross-border work, bar turning industry, and Alpine tourism.

Uppsala County

Uppsala County (Uppsala län) is a Swedish county on the Baltic coast north of Stockholm, created in 1634; its seat is Uppsala, and it gained Heby Municipality in 2007.

Uşak

Uşak (Temenothyrea) is a province in Inner West Anatolia, Turkey, area 5,341 km², capital of the same name. Occupied by Greece 1920–1922, it became a province in 1953 under Law No. 6129.

Ústí nad Labem Region

Ústecký kraj (Ústí nad Labem Region), NUTS 3 CZ042, a northwestern Czech region bordering Germany (250 km), capital Ústí nad Labem; 5,334.6 km², about 800,000 people, coal-and-chemical industrial legacy now in post-coal energy transition.

Uttar Pradesh (उत्तर प्रदेश)

Uttar Pradesh (उत्तर प्रदेश) is India's most populous state, with about 17 percent of the national population, 75 districts, and an area of 2,40,928 square kilometers. Renamed from the United Provinces on 26 January 1950.

Uttaradit

Uttaradit (อุตรดิตถ์), a province in lower northern Thailand on the Nan River; name means port of the north; 7,838.59 km², 9 districts, about 389,300 people (2025), home to Sirikit Dam, Thailand's largest earth dam.

Uusimaa

Uusimaa (Nyland) is Finland's southernmost region on the Gulf of Finland, containing Helsinki. It covers 9,440 km2, has about 1.8 million people (31% of Finland), 26 municipalities, and produces 39% of national GDP.

Uzbek Soviet Socialist Republic

The Uzbek Soviet Socialist Republic (Oʻzbekiston Sovet Sotsialistik Respublikasi), created 27 October 1924 and dissolved 31 August 1991, was a Soviet union republic centered on Tashkent, defined by two-thirds of Soviet cotton output, the Aral Sea crisis, and the 1975–1991 Cotton Affair.

Vakinankaratra Region

Vakinankaratra is a region of central Madagascar on the High Plateaus, capital Antsirabe, seven districts, 2,074,358 people (2018), Ankaratra volcanic massif, highland climate, agriculture and dairy farming.

Val d'Oise

Val-d'Oise is a department in the Île-de-France region of northern France, north of Paris, created in 1968 from the division of Seine-et-Oise and administered from its prefecture, Pontoise.

Val-de-Marne

Val-de-Marne, department 94 in Île-de-France, France, created 1 January 1968 from the former Seine department; prefecture Créteil; 47 communes; about 1.43 million inhabitants on 245 km².

Valais

Valais (Wallis), a bilingual Swiss canton in the upper Rhône valley: 376,113 residents in 2025, 5,224.8 km², 122 communes, French/German/Portuguese speakers, major hydropower producer, 20th canton since 1815.

Vâlcea

Vâlcea (Județul Vâlcea), a Romanian county in Oltenia with seat Râmnicu Vâlcea; 5,765 km², 337,988 residents (2026), first county attested on Romanian territory, spa resorts.

Valencia, Valencia, Spain

Valencia (València) is a province of the Comunitat Valenciana, Spain, capital València city; 2,763,996 residents (1 Jan 2025), 10,813 km², third largest provincial economy, province created in the 1833 division.

Valencian Community

Valencian Community (Comunitat Valenciana, País Valencià): Spanish autonomous community on the Mediterranean coast with provinces Castellón, Valencia, Alicante; capital Valencia; statute Organic Law 5/1982; historical nationality; Generalitat and 99-member Corts; Valencian co-official; 9.3% of Spanish GDP.

Van Province (Վանի մարզ)

Van Province (Վանի մարզ, Van ili), eastern Turkey, on Lake Van, bordering Iran; capital Van city. Population 1,118,087 (2024), area 20,921 km², 13 districts; ancient Urartu capital Tuşba.

Vanderburgh County

Vanderburgh County, Indiana: southwestern county on the Ohio River, formed January 7, 1818 from Gibson, Posey, and Warrick counties and named for Judge Henry Vanderburgh; county seat Evansville; 2020 population 180,136; manufacturing leads its economy.