Sai Azerbaijan Séng (Pho-su-gí: استان تهران) sī Iran ê chi̍t ê séng.

Sai Azerbaijan Séng
استان تهران
—  séng  —
Skyline of Sai Azerbaijan Séng
Sai Azerbaijan Séng ê uī-tì
Kok-ka Flag of Iran.svg Iran
Bīn-chek
 - Lóng-chóng 37,437 km2
Jîn-kháu
 - Lóng-chóng 3,265,219 lâng
 - Bi̍t-tō͘ 87.2/km2
Sî-khu IRST (UTC+03:30)
 - Jo̍at--lâng IRST (UTC+04:30)