What is the city or country of Mustafa Kemal Atatürk's birth?

Mustafa Kemal Atatürk was born in Thessaloniki, Greece.
Thessaloniki, also known as Thessalonica, Saloniki, Salonika, or Salonica, is the second-largest city in Greece, with slightly over one million inhabitants in its metropolitan area, and the capital of the geographic region of Macedonia, the administrative region of Central Macedonia and the Decentralized Administration of Macedonia and Thrace.