6,162 articles
Seal Beach, California
Seal Beach, California: coastal Orange County city between Long Beach and Huntington Beach, incorporated 1915 as Seal Beach (formerly Bay City), population about 25,000, home to California's second longest wooden pier and the Naval Weapons Station covering two thirds of its land.
Seaton
Seaton is a coastal town in East Devon, England, on the Axe estuary, known for its Roman settlement at Honeyditches and a 22,000-coin hoard found in 2014.
Seattle
Seattle, largest city in Washington State (pop. est. 784,777, 2025), lies between Puget Sound and Lake Washington on Duwamish and Suquamish land; incorporated 1869, rebuilt after the 1889 Great Fire, reshaped by regrades and annexations.
Sebastopol, California
Sebastopol, California: small incorporated city (1902) in western Sonoma County, about 50 miles north of San Francisco; Gravenstein apple heritage, Luther Burbank Experiment Farm, The Barlow market district, population about 7,800.
Sebring, Florida
Sebring, Florida: county seat of Highlands County, founded 1912 by George Sebring around a circular downtown plan. About 12,000 residents; home of Sebring International Raceway and the 12 Hours of Sebring.
Secaucus, New Jersey
Secaucus is a town in Hudson County, New Jersey, on the Hackensack River in the Meadowlands, population 22,181 (2020), a distribution and transit hub near Secaucus Junction, distinct from other Meadowlands municipalities.
Secunderabad
Secunderabad (Sikandarabad), twin city of Hyderabad, Telangana, India: British cantonment founded 1806 after the 1798 subsidiary alliance, named for Nizam Sikander Jah, north of Hussain Sagar, long a major military station, now part of metropolitan Hyderabad.
Sedona, Arizona
Sedona, Arizona: small city in Coconino and Yavapai counties famed for red rock scenery and Oak Creek Canyon; about 9,700 residents, incorporated 1988, named for Sedona Schnebly (1902), with a tourism-dominated economy.
Segovia
Segovia, capital of its province in Castile and León, Spain, is a World Heritage city (1985) famed for its Roman aqueduct, 11th-century Alcázar, and Gothic cathedral; population about 54,000, 90 km from Madrid.
Seix
Seix, Ariège, Occitanie, France: Pyrenean commune known for marble quarries (Vert d'Estours green-veined marble, griotte d'Estours, Escalirous white marble, Pont-de-la-Taule site) and Salau tungsten mineralization.
Seixal
Seixal is a Portuguese municipality in Setúbal District on the southern Tagus estuary, Lisbon Metropolitan Area. Known for its pebble-derived name, 1403 Corroios tide mill, cork and steel industry, and 198,254 residents in 2025.
Sejong City
Sejong City is a planned special self-governing city in northeastern South Chungcheong Province, launched in 2012 to move administrative functions from Seoul, targeting 500,000 residents by 2030.
Sekondi-Takoradi
Sekondi-Takoradi, the Twin-City and Oil City, is the capital of Ghana's Western Region and its third largest city, a port and railway hub governed by the Sekondi-Takoradi Metropolitan Assembly with 245,382 residents (2021 census).
Selma, Alabama
Selma, Alabama, county seat of Dallas County on the Alabama River, founded 1820 and named from Ossian's poems; known for the 1865 Battle of Selma and the 1965 Selma to Montgomery voting rights marches.
Semarang
Semarang, capital of Central Java, Indonesia, a coastal city of nearly 1.8 million people; its 2025 economy grew 6.49 percent, led by manufacturing, construction, and trade, with flood control and BRT transit shaping its urban development.
Semey
Semey (Семей), formerly Semipalatinsk until 2007, is a city of about 314,000 in northeastern Kazakhstan on the Irtysh River, administrative center of Abay Region since 2022, founded 1718, near the Semipalatinsk nuclear test site.
Sendai (仙台市)
Sendai (仙台市) is the capital of Miyagi Prefecture and the largest city in Japan's Tohoku region, with about 1.09 million residents. Founded as Date Masamune's castle town in 1600, it became Tohoku's first designated city in 1989 and hosts Tohoku University.
Senglea
Senglea (L-Isla, Città Invicta) is a fortified Maltese city on a Grand Harbour peninsula, one of the Three Cities, founded by Grand Master Claude de la Sengle in the 1550s and unconquered in the 1565 Great Siege.
Senj
Senj, also known as Zengg, is a Croatian port town on the Adriatic below the Velebit mountains, known for its 1558 Nehaj Fortress and strong bora wind.
Seogwipo
Seogwipo is a city on the southern coast of Jeju island, South Korea, sheltered from winter winds by Hallasan and known for its waterfalls and citrus.
Seongnam-si (city)
Seongnam (성남시, 城南市) is a Gyeonggi Province city southeast of Seoul with Sujeong, Jungwon, and Bundang districts. Promoted to city status in 1973, it grew through the Bundang (1989) and Pangyo new towns and Pangyo Techno Valley, peaking near one million residents in 2005.
Seoul (서울)
Seoul (서울), capital of South Korea at 37.34°N, 126.59°E; ancient Baekje capital Wiryeseong, Joseon capital Hanyang from 1394, special metropolitan city since 1949, population about 10 million.
Sept-Saulx
Sept-Saulx, a commune in the Marne (Grand Est) on the Vesle between Reims and Châlons-en-Champagne; 689 inhabitants (2022), member of CU du Grand Reims; known for the classed Saint-Basle church, the Louis Süe château, and a 1915 national necropolis.
Sequim, Washington
Sequim (sxʷčkʷíyəŋ), Washington, a Clallam County city of about 8,200 in the Olympic rain shadow near Dungeness, known for dry climate, lavender farms, and the Jamestown S'Klallam Tribe.
Serang
Serang (Kota Serang), capital of Banten Province, Indonesia, on western Java; autonomous city since 2007 split from Serang Regency; 266.16 km2, 6 districts, 759,929 people (2024); former center of the Banten Sultanate.
Serdica
Serdica (Ulpia Serdica) was the Roman city on the site of modern Sofia, Bulgaria, a municipium under Trajan, seat of the 343 Council of Serdica, later Sredets and Sofia.
Serekunda
Serekunda (Serrekunda), The Gambia's largest urban area, in Kanifing Municipality about 15 km from Banjul; commercial hub around Serrekunda Market and Westfield, 382,096 municipality residents in 2013.
Serra, Espírito Santo
Serra, Espírito Santo, Brazil's most populous municipality in that state (520,653 in 2022), part of Greater Vitória; founded 1556, municipality 1833; largest state economy, Porto de Tubarão, Mestre Álvaro, congo folklore.
Sesto San Giovanni
Sesto San Giovanni, comune in the province of Milan, Lombardy, Italy; industrial town on the Lambro between Milan and Monza, home of the Falck steelworks and the MilanoSesto regeneration project.
Sétif
Sétif (سطيف), ancient Sitifis, is a major Algerian High Plateaux city and provincial capital at about 1,100 m altitude; Roman veteran colony founded under Nerva, refounded by France in 1838, metro population about 351,000 in 2026.