For many years this non-profit summer festival has combined literature with music and theatre. Starting with 12 afternoon events and 23 concerts in 2002, in recent editions expectations were exceeded with more than a hundred events.
The festival was originally rooted in Ljubljana, however, an ambition developed through the years to transform it into a wider platform. In recent years, the festival has been opening to other locations, which resulted in several festival editions across Slovenia, sometimes organised by Sanje, sometimes integrating external co-organisers.
In 2010, the year when Ljubljana held the title of UNESCO's World Book Capital, the festival spread to other locations around Slovenia (including the villages Šmartno and Medana in the Goriška Brda area near the Italian border, taking the name Dreams in Medana (Sanje v Medani). In the same year Fantazija Express was introduced – a travelling bookshop and a stage on wheels inspired by the writer Frane Milčinski Ježek. In 2011, Fantazija Express made its way through Slovenia once again, this time visiting the festival HISTeRIA in Istria, continuing on to Medana and Šmartno for Dreams in Medana, and eventually onto Maribor.