1,726 articles
Iwate Prefecture (岩手県)
Iwate Prefecture (岩手県), capital Morioka, is Japan's second-largest prefecture at 15,275 km² in northern Honshu. Formed in 1876; home to UNESCO-listed Hiraizumi and the Sanriku rias coast; population 1,126,813 (2025).
İzmir Province
İzmir Province (İzmir ili), a Turkish province and metropolitan municipality on the Aegean coast with capital İzmir city; 30 districts, 4,504,185 people (2025), Turkey's third-largest province, 6.18% of GDP, largest export port.
Jaen
Jaen (Jaén) is a city and province in northeastern Andalusia, southern Spain, with 97 municipalities; it is known above all for olive cultivation, with nearly the whole province covered in olive trees.
Jalisco
Estado de Jalisco (Estado Libre y Soberano de Jalisco), western Mexican state founded 16 June 1823 from Nueva Galicia, capital Guadalajara, 125 municipalities, 8.35 million people, Mexico's top farm producer, tequila and mariachi origin, CJNG epicenter.
Jambi
Jambi is an Indonesian province in central Sumatra, capital Jambi City, formed 1957–1958 from a former sultanate and Dutch residency; 53,435.72 km2, 9 regencies and 2 cities, about 3.8 million people, resource-based economy, and the Muarajambi Buddhist temple complex.
Jammu and Kashmir (जम्मू और कश्मीर) (union territory)
Jammu and Kashmir (जम्मू और कश्मीर), union territory of India formed 31 October 2019 from the erstwhile state under the Reorganisation Act; 20 districts, 90-seat legislature, capitals Srinagar and Jammu, official languages Kashmiri, Dogri, Urdu, Hindi, English.
Japanese addressing system
Japanese addressing system: hierarchical area-based addresses running prefecture to chōme-ban-gō, no street names, 47 prefectures, 7-digit postal codes, jūkyo hyōji since 1962, plus base registry and Digital Address reforms.
Jász-Nagykun-Szolnok
Jász-Nagykun-Szolnok (Jász-Nagykun-Szolnok vármegye) is a Hungarian county on the Great Plain with seat Szolnok, formed in 1876 from the Jászság, Nagykunság, and Outer-Szolnok; 78 settlements, 346,466 residents (2026).
Jeju Province
Jeju Province (제주특별자치도, Jeju Special Self-Governing Province) is South Korea's first special self-governing province, created July 1, 2006 by special act with autonomous police, education, and fiscal powers, no self-governing cities or counties, and a 670,000 population.
Jeollanam-do
Jeollanam-do (전라남도), South Jeolla Province, is a province in southwestern South Korea created in 1896 from Jeolla-do, with capital at Muan, 1.86 million people, 2,165 islands, and Korea's leading fisheries and rice farming.
Jewish Autonomous Oblast (Еврейская автономная область)
Jewish Autonomous Oblast (Еврейская автономная область, Yiddish yidishe avtonome gegnt), also called Birobidzhan: Russia's only autonomous oblast, in the Far East on the Amur border with China. Founded 1928, oblast status 1934 as a Soviet Jewish homeland; capital Birobidzhan; population 144,428 (2025), Jews 0.56%.
Jiangsu (江苏)
Jiangsu (江苏) is a coastal Chinese province established in 1667 during the Qing dynasty, with Nanjing as its capital, lying along the Yellow Sea and the lower Yangtze River.
Jiangxi (江西)
Jiangxi (江西), also written Kiangsi, is a province of southeastern China on the south bank of the Yangtze, with Nanchang as its capital and an area of about 166,900 square kilometers.
Jigawa State
Jigawa State, a Nigerian state in the Northwest zone created 27 August 1991 from Kano State, capital Dutse, 27 LGAs, five emirates, agrarian economy with over 60% of GDP from agriculture, leading producer of sesame, hibiscus, and onions.
Jihočeský kraj
Jihočeský kraj, the South Bohemian Region, is a Czech region with its seat in České Budějovice, the second largest by area at 10,058 km², bordering Austria and Germany.
Jilin (吉林)
Jilin (吉林省) is a province in central Northeast China, capital Changchun, area 187,400 km², population 23.17 million (2024). Borders Russia and North Korea; GDP 1,436.12 billion yuan in 2024, up 4.3%; known for Changbai Mountain, black-earth farmland, and winter tourism.
Jiwaka
Jiwaka is a province in the Highlands region of Papua New Guinea, created 17 May 2012 from Jimi, Waghi, and Kambia areas of Western Highlands Province; capital Banz or Kurumul, population 455,208 (2024), agriculture-based economy.
Jizhou
Jizhou (冀州): ancient Chinese province, first of the Nine Provinces in the Tribute of Yu, source of Hebei's abbreviation Ji; also Jizhou District of Hengshui, Hebei, and a separate Jizhou District (蓟州区) in Tianjin.
Johor
Johor, Malaysia's southernmost sultanate state, capital Johor Bahru; heir of the Malacca Sultanate with its own 1895 constitution and military force. Second most populous state, third-largest economy, tied to Singapore by the Causeway and the 2025 JS-SEZ.
Jonglei
Jonglei, South Sudan's largest and most populous state, capital Bor, 80,631 sq km, home to Bor Dinka, Lou Nuer, and Murle communities; marked by inter-communal conflict, the 2013 civil war, 2025-26 SSPDF-SPLA-IO fighting, and severe Nile floodplain flooding.
Jönköping County
Jönköping County (Jönköpings län), Swedish county code 06 in southern Småland, seat Jönköping; 13 municipalities, about 369,700 residents, 10,483 km², Region Jönköping since 2005.
Judaea (Roman province)
Judaea (Provincia Iudaea), Roman province formed 6 CE from Archelaus's ethnarchy, governed by prefects then procurators from Caesarea, shaken by the 66–70 and 132–135 revolts, renamed Syria Palaestina by Hadrian.
Jujuy Province
Jujuy Province, Argentina (Provincia de Jujuy), northwestern province in the NOA region, capital San Salvador de Jujuy; 811,611 people (2022), autonomous from Salta in 1834, major lithium producer at Salar del Cauchari-Olaroz.
Kabardino-Balkaria (Кабардино-Балкария)
Kabardino-Balkaria (Кабардино-Балкария), a Russian republic in the central North Caucasus with capital Nalchik, area 12,470 km², Mount Elbrus (5,642 m), Kabardian and Balkar titular peoples, and the Elbrus ski resort.
Kabupaten Jember
Kabupaten Jember (Jember Regency), East Java, Indonesia; regency legally founded 1 January 1929 as Regenschap Djember; population 2,603.8 thousand (2024), top five in East Java.
Kabupaten Nganjuk
Kabupaten Nganjuk (Nganjuk Regency), a regency in East Java, Indonesia; population 1,131.8 thousand (2024), agriculture-led economy, major shallot producer, capital moved from Berbek in 1880.
Kadiogo Province
Kadiogo Province (Province du Kadiogo), Burkina Faso province containing the capital Ouagadougou; sole province of the Centre/Kadiogo Region; 3,030,384 residents (2019 census), the country's most populous and most urbanized province.
Kaduna State
Kaduna State, formerly North-Central State, is a state in northwestern Nigeria whose capital is the city of Kaduna; created in 1967, it is known as the Centre of Learning.
Kafr el-Sheikh Governorate
Kafr el-Sheikh Governorate (محافظة كفر الشيخ), Egypt's northernmost Nile Delta governorate; capital Kafr el-Sheikh city; 3.47 thousand km², 10 centers, rice and cotton farming, one third of Egypt's fish output.
Kagawa-ken
Kagawa-ken (香川県), Kagawa Prefecture, Japan's smallest prefecture by area (1,876.83 km²), on northeastern Shikoku; capital Takamatsu; known for Sanuki udon, Naoshima art islands, Ritsurin garden; population 907,725 (2025).