Ta'izz, city in southwestern Yemen, located in Ta'izz Province, in a range of hills northwest of Aden. Connected by road with Sana'a (Sanaa) and the Red Sea port of Al Hudaydah, it is situated in a coffee-growing area and is a center for cotton-weaving, tanning, and jewelry-manufacturing industries. Ta'izz was the seat of a university in the 16th century and has three large mosques built by the Turks. Its name is also spelled Taiz. Population (1993 estimate) 290,107.