Lining the square’s southern flank are the University of Ljubljana, the Slovenian Philharmonic, the Baroque-style Ursuline Church of the Holy Trinity, and the Museum of Illusions—clustered around the ancient ruins of the Roman settlement of Emona—while the neoclassical Casino Building, home of the Institute of Modern History, the Archives of Slovenia, and the Tone Tomšič Academic Choir, commands the square's northern axis.
Explore Congress Square as part of a walking tour focusing on Slovenia’s post-Communist era or the city’s vibrant art and food scenes. Even more specialized tours highlight the feminist heroes of Slovenia’s struggle for equality or a wintry city journey during the festive Christmas season.