- Country: Iran
- Population: 7,153,309
- Latitude: 35° 41.66' N (35.69439°)
- Longitude: 51° 25.29' E (51.42151°)
- Elevation: 1,178 m/3,865 ft. above sea level
- Time zone: Asia/Tehran (UTC +03:30); DST observed (UTC +04:30)
- Alternate names: Tahran, Teerã, Teerão, Teheran, Teherán, Téhéran, Teherāna, Teheranas, Teherano, Tehrano, THR, Τεχεράνη, Тæхран, Тегеран, Техеран, Теҳрон, Թեհրան, טהראן, טהרן, تهران, تهرون, تِهران, تِهِرَن, تہران, طهران, तेहरान, তেহরান, தெஹ்ரான், เตหะราน, ཏེ་ཧི་རན།, თეირანი, ቴህራን, テヘラン, 德黑兰, 테헤란
- Alternate names: THR, Taekhran, Tahran, Techerane, Teera, Teerao, Teerã, Teerão, Tegeran, Teheran, Teherana, Teheranas, Teherano, Teherán, Teherāna, Tehran, Tehrano, Tekheran, Téhéran, de hei lan, teharan, teharana, tehelan, teheran, tehran, teirani, thran, thrn, thrwn, t
Data by Geonames.org, CC-BY