Abdülaziz (Ottoman Turkish: عبد العزيز) ( February 1830 – 4 June 1876) was the 32nd Sultan of the Ottoman Empire and was 111st Caliph of Islam. He ascended the throne when he was 31 years old, reigned between 25 June 1861 and 30 May 1876. He was the son of Sultan Mahmud II and became sultan after the death of his brother Abdülmecid I.