Ibb (or
Abb) (
ʾIbb) is a city in
Yemen, the capital of
Ibb Governorate, located about northeast of
Mocha and south of
Sana'a. A market town and administrative centre developed during the Ottoman occupation, it is one of the most important medium-sized cities in the country. It is situated on a mountain ridge, surrounded by fertile land. As of 2005, it had a population of 160,000.