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Southeast Asian first-level subdivisions

228 articles

Changwat Phetchaburi

Changwat Phetchaburi (เพชรบุรี), Thai province TH-76 on the Gulf of Thailand bordering Myanmar; 6,225 km², about 484,000 residents, Kaeng Krachan National Park, agriculture, and major tourism at Cha-am.

Changwat Phichit

Changwat Phichit (จังหวัดพิจิตร), a province of lower northern Thailand, area 4,531 km², 12 districts, on the Nan and Yom rivers; birthplace of King Sanphet VIII, home of Bueng Si Fai and the September long boat race.

Changwat Phitsanulok

Changwat Phitsanulok (จังหวัดพิษณุโลก) is a province of lower northern Thailand, named after its capital city of Phitsanulok on the Nan River. It covers about 10,816 square kilometers and had a population of about 895,000 in 2021.

Changwat Phrae

Changwat Phrae (จังหวัดแพร่) is a mountain-ringed province in northern Thailand on the upper Yom River, about 555 km north of Bangkok, with its capital at the town of Phrae.

Changwat Prachin Buri

Changwat Prachin Buri (จังหวัดปราจีนบุรี), an eastern Thai province 136 km from Bangkok, area 4,762 km², population about 498,550, 7 districts, home to Khao Yai, Thap Lan, and Pang Sida National Parks, and not part of the EEC.

Changwat Prachuap Khiri Khan

Changwat Prachuap Khiri Khan (ประจวบคีรีขันธ์) is a Thai province on the Gulf of Thailand, 13 km wide at its narrowest on the Isthmus of Kra, home to Hua Hin resort and Khao Sam Roi Yot National Park.

Changwat Ratchaburi

Changwat Ratchaburi (ราชบุรี), a western central Thailand province on the Mae Klong River bordering Myanmar; 861,879 residents, 5,196 km², Dvaravati-era heritage, Damnoen Saduak Floating Market, and 42.7 percent of western regional revenue.

Changwat Roi Et

Changwat Roi Et (จังหวัดร้อยเอ็ด) is a province in Thailand's Northeast (Isan), seat at Roi Et town on Bung Phlan Chai lake; known for jasmine rice, khaen handicrafts, Wat Buraphaphiram's 68-meter walking Buddha, and a 1921-established provincial treasury office.

Changwat Samut Prakan

Changwat Samut Prakan (จังหวัดสมุทรปราการ), or Pak Nam, is a Thai province at the Chao Phraya mouth bordering Bangkok. 1,004 km², six districts, about 1.36 million people, industrial and logistics hub with Ancient City and Phra Samut Chedi.

Changwat Saraburi

Changwat Saraburi (จังหวัดสระบุรี), Saraburi Province, is an upper central Thai province northeast of Bangkok: 3,576 km², Aw climate, Pa Sak River, Thailand's cement heartland (about 89% of national capacity), and the Phra Phutthabat pilgrimage shrine.

Changwat Si Sa Ket

Changwat Si Sa Ket (จังหวัดศรีสะเกษ), Sisaket Province, a Thai province in lower northeastern Isan, formerly Khukhan until 1938; borders Cambodia, area 8,840 km², 22 districts, population about 1.44 million.

Changwat Songkhla

Changwat Songkhla (จังหวัดสงขลา), a southern Thai province on the Gulf of Thailand bordering Malaysia's Kedah and Perlis; 16 districts, 7,393.9 sq km, Hat Yai commercial hub, UNESCO Creative City of Gastronomy 2025, major November 2025 floods.

Changwat Sukhothai

Changwat Sukhothai (จังหวัดสุโขทัย), a province of lower northern Thailand, site of the first Thai kingdom and UNESCO World Heritage historical parks; 9 districts, about 6,596 km², Yom River, population about 578,000.

Changwat Suphan Buri

Changwat Suphan Buri (จังหวัดสุพรรณบุรี) is a central Thai province on the Tha Chin River, about 100 km from Bangkok, an ancient Dvaravati-era town and Ayutthaya frontier site of Naresuan's 1592 elephant duel.

Changwat Surat Thani

Changwat Surat Thani (จังหวัดสุราษฎร์ธานี), usually shortened to Surat, is a province on Thailand's Gulf coast and the largest in the south, known for Ko Samui and Ko Pha-ngan.

Changwat Surin

Changwat Surin (จังหวัดสุรินทร์), Surin Province, is a lower Isan province of Thailand, home of the Kuy elephant handlers of Ban Ta Klang, the annual Surin Elephant Festival at Si Narong Stadium, Khmer prasat, and silk weaving; population about 1.36 million (2024).

Changwat Trang

Changwat Trang (จังหวัดตรัง), Trang Province, is a southern Thai province on the Andaman Sea, 828 km from Bangkok, area 4,917.519 sq km, population 634,959 (2024), a historic seaport and Thailand's rubber-planting pioneer, a province since 1932.

Changwat Ubon Ratchathani

Changwat Ubon Ratchathani (อุบลราชธานี), a province of Thailand's Northeastern region bordering Laos and Cambodia; about 1.87 million registered residents (2023), capital Ubon Ratchathani city, Mun River, Emerald Triangle, Candle Festival.

Changwat Udon Thani

Changwat Udon Thani (จังหวัดอุดรธานี) is a province in upper Isan, northeastern Thailand, capital Udon Thani city. Founded 1907 at Ban Mak Khaeng after the 1893 Franco-Siamese treaty; area 11,730 km²; home to the Ban Chiang World Heritage site.

Changwat Yala

Changwat Yala (ยะลา), Thailand's southernmost province on the Malaysian border, one of the three deep-south provinces; area 4,521 km², population about 553,000, rubber- and fruit-based economy under a long-running emergency decree.

Changwat Yasothon

Changwat Yasothon (จังหวัดยโสธร), Yasothon Province, a lower Isan province of Thailand created in 1972 from Ubon Ratchathani districts; 9 districts, about 4,162 square kilometers, famed for its Rocket Festival and Hom Mali rice.

Chinland

Chinland is a self-governing polity in Myanmar's Chin State, proclaimed via an interim constitution and the Chinland Council on 6 December 2023 by the Chin National Front and allied CDFs, governing contested territory against the junta and the rival Chin Brotherhood bloc.

Chon Buri

Changwat Chon Buri (จังหวัดชลบุรี) is an eastern Thai province on the Gulf of Thailand, 80 km from Bangkok, home to Pattaya, Laem Chabang port, and the Eastern Economic Corridor; third most populous province with 2,288,684 people (2025 census).

Cordillera Administrative Region

Cordillera Administrative Region (CAR), the Philippines' only landlocked region, created July 15, 1987 by Executive Order No. 220; six provinces plus Baguio City; 2025 GRDP PhP 394.96 billion.

Cotabato

Cotabato (formerly North Cotabato) is a landlocked province in Region XII, central Mindanao, Philippines, with capital Kidapawan City. 1,490,618 residents in 2020; 63 barangays later joined BARMM; 2024 GDP P131.23 billion.

Davao de Oro

Davao de Oro, formerly Compostela Valley, is a Philippine province in Davao Region, Mindanao; created 1998 (RA 8470), renamed 2019 (RA 11297); capital Nabunturan, 11 municipalities, gold-mining economy.

Davao del Norte

Davao del Norte is a Philippine province in Davao Region, Mindanao, created May 8, 1967 from the old Davao Province by RA 4867. Capital-area city Tagum; largest regional population (1,143,931 in 2024); banana plantations and Samal island beaches; Compostela Valley (Davao de Oro) split from it in 1998.

Davao Region

Davao Region (Region XI, formerly Southern Mindanao; Cebuano: Rehiyon sa Davao) is a Philippine administrative region in southeastern Mindanao with five provinces, regional center Davao City, 5,389,422 people (2024), and Mindanao's lowest poverty incidence.

Dong Nai

Dong Nai (Đồng Nai) is a centrally governed city in southern Vietnam, established on April 30, 2026 from the former Dong Nai province, with its center at Bien Hoa.

Dong Thap

Dong Thap (Đồng Tháp), a Mekong Delta province of Vietnam; since 1 July 2025 the merger of former Dong Thap and Tien Giang provinces, with 5,938.64 km2, 4,370,046 people, and Tram Chim National Park.