Picture of Romantic medieval Ljubljana, Slovenia, Europe -- Romantic Ljubljana city center. River Ljubljanica, Triple Bridge Tromostovje, Preseren square and Franciscan Church of the Annunciation. Ljubljana Slovenia Europe.Picture of Romantic medieval Ljubljana, Slovenia, Europe -- Romantic Ljubljana city center. River Ljubljanica, Triple Bridge Tromostovje, Preseren square and Franciscan Church of the Annunciation. Ljubljana Slovenia Europe.