The French-based streaming music service said in December that it is aiming to be present in 200 countries by June 2012.

"We are thrilled today to launch Deezer in Eastern Europe l and to play a key role in the music revolution," founder of Deezer Daniel Marhely said regarding Eastern European arrival.

"This is a very exciting, key turning point for Deezer following 4 years of an extraordinary success made of passion."

Deezer CEO Axel Dauchez added: "We're extremely excited ...