Slobovia was one of a number of made up names for vaguely East European countries at the time of this short. Things were decidedly us versus them back then.
One of the few Robert McKimson shorts not written by Warren Foster or Tedd Pierce ; it was written by Michael Maltese instead, who usually worked in Chuck Jones's unit.
Voice artist June Foray portrays Millicent Rabbit here. She also provided the same type of throaty East European accent for Natasha Fatale, the sidekick of Boris Baden on the Rocky and Bullwinkle show (1959).
Bugs is actually dressed in a costume similar to that worn by the Greek guards known as the Evzones. But the dance he attempts is decidedly Eastern European in nature.
This cartoon is notable as Bugs has a romantic encounter.