the capital of Iran, at the foot of the Elburz Mountains: built on the site of the ancient capital Ray, destroyed by Mongols in 1220; became capital in the 1790s; three universities. Pop: 8 432 196 (2015 est)
Tehran in American English
(tɛˈrɑn; teɪˈrɑn; təˈræn)
capital of Iran, in the NC part: pop. 7,158,000
: also Teheˈran (tɛˈrɑn; tərɑn; ˌ tɛəˈrɑn; ˌ tɛhɛˈrɑn; ˌtɛhɛˈræn)