Birth place of Sultan Salahuddin Ayubi?

Birth place of Sultan Salahuddin Ayubi?

A. Iran
B. Iraq
C. Turky
D. Egypt

The courageous soldier and tiger of Islam Sultan Yusuf Salahuddin Ayyubi was born in Tikrit Fortress of Iraq on 1138 (532 Hijri), he was the son of Kurdun’s famous commander Najam ad-Din ayyub (who had died on August 09, 1173 in horse-riding accident).