What is Tehran?
{{Infobox settlement |official_name = Tehran |native_name = {{lang|fa|تهران}} |nickname = TEH |settlement_type = |image_skyline = {{Photomontage | photo1a = Towers in Tehran City at night.jpg{{!}} | photo2a = Tochal from Modarres Expressway.jpg{{!}} | photo2b = Golestan Palace, Tehran, Iran (1249288212).jpg{{!}} | photo3a =ChitgarLake.jpg{{!}} | photo3b = Shahyad (Azadi) Tower 01.JPG{{!}} | photo4a = Vista de Teherán desde la Torre Milad, Irán, 2016-09-17, DD 73.jpg{{!}} | photo4b = Vista de Teherán desde la Torre Milad, Irán, 2016-09-17, DD 76.jpg{{!}} | photo5a = Shahrtheater.jpg{{!}} | photo5b = پارک آب و آتش، تهران Water and Fire Park, Tehran - panoramio.jpg{{!}} | spacing = 2 | size = 270 | foot_montage = }} |image_seal = |image_caption = |image_map = |mapsize = |map_caption = |pushpin_map = Iran |pushpin_label_position = <!-- the position of the pushpin label: left, right, top, bottom, none --> |pushpin_map_caption = |pushpin_mapsize = |subdivision_type = [[List of countries|Country]] |subdivision_name = [[Iran]] |subdivision_type1 =[[Provinces of Iran|Province]] |subdivision_name1 =[[Tehran Province|Tehran]] |subdivision_type2 =[[Counties of Iran|County]] |subdivision_name2 =[[Tehran County|Tehran]] |subdivision_type3 =[[Bakhsh]] |subdivision_name3 =[[Central District (Tehran County)|Central]] |subdivision_type4 = |subdivision_name4 = |leader_title = Mayor |leader_name = [[Mohammad Bagher Ghalibaf]] |established_title = |established_date = 1906 |leader_title1 = City Council |leader_name1 = Chairman: [[Mehdi Chamran]] |area_metro_km2 = 1274 |area_metro_sq_mi = |area_land_km2 = |area_land_sq_mi = |area_water_km2 = |area_water_sq_mi = |area_water_percent = |area_urban_km2 = 730 |area_urban_sq_mi = |population_as_of = 2010 |population_note