Istanbul University is a prominent public research university located in Istanbul, Turkey. Founded by Mehmed II on May 30, 1453, a day after the conquest of Constantinople by the Turks, it was reformed in 1846 as the first Ottoman higher education institution based on European traditions.
Here are İÜYÖS previous questions
İÜYÖS General Information
İÜYÖS is an examination taken by foreign or overseas students who wish to study at İstanbul University. The results obtained from this exam can be used for applying for İstanbul University (İU) foreign or overseas students.This examination is conducted by Istanbul University.For the İÜYÖS examinations which will be given outside Turkey, the hours are announced on the official website of the university, which is http://yos.istanbul.edu.tr.
You can apply here for exam registration.