770 articles
Macapá
Macapá, capital of Amapá, Brazil, on the Amazon River; only Brazilian capital crossed by the Equator. Founded 1758 as Vila de São José de Macapá; 442,933 residents (2022 census).
Maceió
Maceió (Maçayó) is the capital of Alagoas, Brazil, founded 1609, capital since 1839; 957,916 residents (2022), port city hit by Braskem salt-mining subsidence since 2018.
Macomb County, Michigan
Macomb County, Michigan: southeastern Detroit-area county, seat Mount Clemens, organized January 15, 1818 and named for General Alexander Macomb. Michigan's third most populous county (881,217 in 2020), manufacturing-heavy economy, county executive government.
Madha
Madha (مدحاء) is an Omani wilayat of Musandam Governorate, an exclave fully surrounded by the UAE emirates of Sharjah, Fujairah and Ras al-Khaimah, containing the Sharjah counter-enclave of Nahwa; population 4,492 (2020).
Magé
Magé, a historic municipality in Rio de Janeiro state, Brazil, on Guanabara Bay's north shore; founded 1565/1566, city since 1857, site of Brazil's first railway (1854), population 228,127 (2022).
Manaus
Manaus, capital of Amazonas, Brazil, is the Amazon's largest city (2.06 million, 2022 census) on the Rio Negro–Solimões confluence, anchored by the 1967 Manaus Free Trade Zone and its Industrial Pole.
Mangaung Metropolitan Municipality
Mangaung Metropolitan Municipality, a Category A metro in South Africa's Free State seated in Bloemfontein, elevated in 2011; 811,431 residents (Census 2022), ANC-led, under national intervention since 2019 with repeated qualified audit opinions.
Manningham
Manningham (City of Manningham) is a local government area in Melbourne's eastern suburbs, Victoria, formed 15 December 1994 from Doncaster and Templestowe; 114 km², about 126,000 residents, nine single-member wards, and a large eastern green wedge.
Marabá
Marabá (PA) is a Pará, Brazil municipality at the Itacaiúnas-Tocantins confluence, founded 1913, also called Burgo Agrícola do Itacaiunas origin; 266,533 people (2022), pig-iron and mining economy, five urban nuclei.
Maracanaú
Maracanaú (Ceará, Brazil): municipality in the Fortaleza Metropolitan Region, emancipated 6 March 1983. Largest industrial hub and second largest economy of Ceará; 234,509 residents (2022 census); served by Metrofor's Linha Sul.
Maricá (city)
Maricá is a municipality on the Atlantic coast of Rio de Janeiro state, Brazil, in the Rio de Janeiro Metropolitan Region; 197,277 residents (2022 census), 54.87% growth since 2010, oil-royalty-funded social programs, and a degraded lagoon system.
Maricopa County, Arizona
Maricopa County, Arizona: county seat Phoenix; established 1871; 4.5 million residents, 4th largest US county, 62% of Arizona's population; 9,224 square miles; five-member Board of Supervisors; swing-county election disputes.
Marília
Marília, São Paulo, Brazil; mariliense; municipality founded 4 April 1929, food-industry capital with about 240,000 people, GDP per capita R$52,635, IDHM 0.798, regional capital C in IBGE's REGIC hierarchy.
Marin County, California
Marin County, California: Bay Area county north of San Francisco, established 1850 as one of the state's original 27 counties. Seat San Rafael; 520 square miles; 11 incorporated towns; Coast Miwok homeland; about 254,000 residents.
Marion County, Florida
Marion County, Florida: north central Florida county with county seat Ocala, established 1844 and named for Francis Marion. Known for Silver Springs, the Ocala National Forest, and the Ocala-Marion County Thoroughbred horse industry; population about 376,000 in 2020 and growing fast.
Markapuram district
Markapuram district (మార్కాపురం జిల్లా), Andhra Pradesh's 27th district, formed 31 December 2025 from western Prakasam's Markapuram and Kanigiri divisions; headquarters Markapuram; 10,035 sq km, 21 mandals, population 11,42,313 (2011).
Mary, Turkmenistan
Mary, Turkmenistan (formerly Merv until 1937): city and capital of Mary velayat in the southeast, founded 1884 near ancient Merv on the Murgab River; major gas field, fertilizer plants, province holds 22.9% of the national population.
Mashhad (district)
Mashhad District, also known as the Central District, is a district of Mashhad County in Iran. Defined by a 1990 decree, it contains the rural districts of Tabadkan, Tus, Kardeh, and Miyan Velayat.
Mauá, São Paulo
Mauá, São Paulo: municipality in the ABC Paulista subregion of the São Paulo Metropolitan Region, 418,261 residents (2022 census), emancipated 1955, home of the Capuava petrochemical pole and once Brazil's porcelain capital.
McLennan County
McLennan County, Texas: Central Texas county established January 22, 1850, named for settler Neil McLennan; county seat Waco on the Brazos River; 260,579 residents (2020 census), 1,060 square miles, 22 incorporated cities.
Mecklenburg County, North Carolina
Mecklenburg County, North Carolina: county seat Charlotte, formed from Anson County in 1762/1763, named for Queen Charlotte of Mecklenburg-Strelitz; population about 1.23 million in 2025.
Medway
Medway is a unitary authority in northern Kent, South East England (ONS code E06000035), created in April 1998, covering Chatham, Rochester, Strood, Gillingham, and Rainham; population 279,800 in 2021, led by Medway Council under Cllr Vince Maple.
Melikgazi
Melikgazi (Melikgazi ilçesi), central district of Kayseri, Turkey, created 1988 by Law 3508; population 593,262 (2025), largest of 16 districts; includes Mount Erciyes and Kayseri Organized Industrial Zone.
Melton
Melton: a suburb and local government area 28 km west of Melbourne, Victoria, one of Australia's fastest growing areas (178,960 people in 2021), and separately a rural borough in Leicestershire, England, centered on Melton Mowbray.
Mendocino County, California
Mendocino County is a northern California county established in 1850, seat at Ukiah, population about 88,000-91,600, known for redwoods, coastline, wine grapes, and a documented structural budget deficit.
Mercer County, New Jersey, United States
Mercer County, New Jersey, a county formed February 22, 1838 from Burlington, Hunterdon, Middlesex, and Somerset counties, named for General Hugh Mercer; county seat Trenton, the state capital; 2020 population 387,340.
Merseyside
Merseyside is a metropolitan county in north-west England, named after the River Mersey, created 1 April 1974 under the Local Government Act 1972. It covers five districts (Liverpool, Knowsley, Sefton, St Helens, Wirral), 645 km2, and about 1.4 million people; its county council was abolished in 1986.
Mērsraga Novads
Mērsraga Novads (Mērsrags Municipality) was a Latvian municipality on the Gulf of Riga, 2011–2021, created from Roja novads; merged into Talsi Municipality in 2021, now Mērsrags parish.
Metropolitan Borough of Barnsley
The Metropolitan Borough of Barnsley, also known as Barnsley Metropolitan Borough, is a metropolitan borough in South Yorkshire, England, governed from the town of Barnsley.
Metropolitan Borough of Bolton
Metropolitan Borough of Bolton (E08000001), a Greater Manchester metropolitan district created 1 April 1974 from the old County Borough of Bolton plus Farnworth, Kearsley, Horwich, Blackrod, Westhoughton, Little Lever, and South Turton; population 295,963 (2021).