The Slovene Prealps or the Slovenian Prealps (, , ) are a group of mountain ranges in the eastern part of the Alps. They are located in Slovenia and, for a small part of their northernmost area, in Austria.
According to SOIUSA (International Standardized Mountain Subdivision of the Alps) the Slovene Prealps are an Alpine section, classified in the following way:
The Slovene Prealps are divided into three non-contiguous subsections:
Two of these subsections include just one Alpine supergroup, and the third one is further subdivided in two supergroups:
The chief summits of the Slovene Prealps are: