Istanbul

Istanbul (/ˌɪstænˈbʊl/ IST-an-BUUL,[7][8] US also /ˈɪstænbʊl/ IST-an-buul; Turkish: İstanbul [isˈtanbuɫ] (listen)), formerly known as Constantinople[lower-alpha 2] (Greek: Κωνσταντινούπολις; Latin: Constantinopolis), is the largest city in Turkey, serving as the country's economic, cultural and historic hub. The city straddles the Bosporus strait, lying in both Europe and Asia, and has a population of over 15 million residents, comprising 19% of the population of Turkey.[4] Istanbul is the most populous European city,[lower-alpha 3] and the world's 15th-largest city.

Istanbul
İstanbul
OpenStreetMap
Istanbul
Location within Turkey
Istanbul
Location within Europe
Istanbul
Location within Asia
Coordinates: 41°00′49″N 28°57′18″E
Country Turkey
RegionMarmara
ProvinceIstanbul
Provincial seat[lower-alpha 1]Cağaloğlu, Fatih
Districts39
Government
  TypeMayor–council government
  BodyMunicipal Council of Istanbul
  MayorEkrem İmamoğlu (CHP)
  GovernorAli Yerlikaya
Area
  Urban
2,576.85 km2 (994.93 sq mi)
  Metro
5,343.22 km2 (2,063.03 sq mi)
Highest elevation537 m (1,762 ft)
Population
 (31 December 2021)[4]
  Metropolitan municipality and province15,840,900
  Rank1st in Turkey
1st in Europe
  Urban
15,514,128
  Urban density6,021/km2 (15,590/sq mi)
  Metro density2,965/km2 (7,680/sq mi)
Demonym(s)Istanbulite
(Turkish: İstanbullu)
Time zoneUTC+3 (TRT)
Postal code
34000 to 34990
Area code(s)+90 212 (European side)
+90 216 (Asian side)
Vehicle registration34
GDP (Nominal)2021[5]
 - TotalUS$ 248 billion
 - Per capitaUS$ 15,666
HDI (2019)0.846[6] (very high) · 1st
GeoTLD.ist, .istanbul
Website
Official nameHistoric Areas of Istanbul
CriteriaCultural: (i)(ii)(iii)(iv)
Reference356bis
Inscription1985 (9th Session)
Extensions2017
Area765.5 ha (1,892 acres)

The city was founded as Byzantium (Greek: Βυζάντιον, Byzantion) in the 7th century BCE by Greek settlers from Megara.[9] In 330 CE, the Roman emperor Constantine the Great made it his imperial capital, renaming it first as New Rome (Greek: Νέα Ῥώμη, Nea Rhomē; Latin: Nova Roma)[10] and then as Constantinople (Constantinopolis) after himself.[10][11] The city grew in size and influence, eventually becoming a beacon of the Silk Road and one of the most important cities in history.

The city served as an imperial capital for almost 1600 years: during the Roman/Byzantine (330–1204), Latin (1204–1261), late Byzantine (1261–1453), and Ottoman (1453–1922) empires.[12] The city played a key role in the advancement of Christianity during Roman/Byzantine times, hosting four of the first seven ecumenical councils before its transformation to an Islamic stronghold following the Fall of Constantinople in 1453 CE—especially after becoming the seat of the Ottoman Caliphate in 1517.[13] In 1923, after the Turkish War of Independence, Ankara replaced the city as the capital of the newly formed Republic of Turkey. In 1930, the city's name was officially changed to Istanbul, the Turkish rendering of εἰς τὴν Πόλιν (romanized: eis tḕn Pólin; 'to the City'), the appellation Greek speakers used since the 11th century to colloquially refer to the city.[10]

Over 13.4 million foreign visitors came to Istanbul in 2018, eight years after it was named a European Capital of Culture, making it the world's eighth most visited city.[14] Istanbul is home to several UNESCO World Heritage Sites, and hosts the headquarters of numerous Turkish companies, accounting for more than thirty percent of the country's economy.[15][16]


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