Possible Clues:

• In foreign city, badly garbled English
• Where Tito ruled
• Belgium lost judge on the Danube
• Barge led out on the Danube here
• Degree given to canto of sorts in European city
• British class established outside the Spanish capital
• City where Tito ruled
• Capital city on the River Danube
• Sounds like buzzer left at rank in Serbia
• Serbia capital