Mustafa Kemal Atatürk was born under the name Mustafa in 1881. His birth place was in Salonika, Macedonia (now Thessaloniki, Greece). Salonika was part of the Ottoman Empire at that time. He took the name Kemal as a schoolboy and Atatürk (which means Father of the Turks) when he was president. His father's name was Ali Rıza Efendi. His mother's name was Zübeyde Hanım. He also had a sister whose name was Makbule (Atadan). He became an army officer and the most successful general officer of the empire in World War I, fighting in Gallipoli.