In which country is the city of Thessaloniki?

In which country is the city of Kazan? In which country is the city of Istanbul? In which country is the city of Izmir? In which country is the city of Antalya? In which country is the city of Gothenburg? In which country is the city of Malmö? In which country is the city of Bergen? In which country is the city of Trondheim?