The Colloquium Balticum is a conference series of Northern European classicists who study Greek and Latin antiquity and its reception mainly in the Baltic region. The conferences are organized annually by the members of the Baltic Network of Classical Scholars. As of 2007, the network includes University of Greifswald and University of Marburg (Germany), University of Lund (Sweden), University of Latvia, University of Tartu (Estonia), Vilnius University (Lithuania), and Saint Petersburg State University (Russia).