No to Kiev, Warsaw, and Instanbul/Constiantinople. Ljulbana, and all above...
Bonus 5th Clue:
* The center of (the city) was the project of Florestano de Fausto and Armando Brasini, well known architects of the Benito Mussolini period in Italy. The Royal Palace (Palace of the Brigades), the Town Hall, the government ministry buildings, and the National Bank are their work.