The Mazurka Festival was a holiday celebration of folk dance and music originating in Poland on Earth.
This festival was annually celebrated in New Berlin on Luna. In 2354, Benjamin and Jennifer Sisko, together with their friends Cal and Gretchen Hudson, attended the Mazurka Festival at New Berlin, where Benjamin would make a lasting impression for having danced in German lederhosen. (DS9: "The Maquis, Part I")