• „Philippopolis weeks of the Thracian history and culture”, organized with the Institute of Thracology at the Bulgarian Academy of Sciences - since 1974.

• „Ancient cultures forum” (Pre-historic culture along the Maritza river basin and its links with the neighboring areas) on October 09 – 12, 2000.

• "Contemporary issues in museum studies" - museums, archives and libraries in contemporary information society  - Bulgaria - Russia on May 13, 2011.

• "Museums and their work in networks" - national workshop - Veliko Tarnovo on November 17-18, 2011.