title: The characteristics of the activities of modern political parties and the development of the party system in the republic of Bulgaria
abstract: The author proves that the first post-Communist party system of the Republic of Bulgaria underwent significant changes after the parliamentary elections of 2001. The right bloc was stratified; the transformation of the Bulgarian socialist party was completed, which led to the transition to a new party system. The second post-Communist party system, which was born as a multi-party system, has also undergone dynamic changes after the parliamentary elections in 2005 and 2009. Its evolution depends 
journal: Studium Europy Środkowej i Wschodniej