Established in 1945, Radio Maribor is the radio programme unit of the RTV Slovenia Regional Broadcasting Centre Maribor. Radio Maribor covers the whole region of Northeastern Slovenia via two FM transmitters (93.1 MHz and 90.4 MHz) and one AM transmitter (558 KHz). The stations's editorial for culture and arts coves regional and national events, it also produces radio plays and similar shows.
Radio Maribor broadcasts two distinct services – Radio Si (Radio Slovenia International), offering programmes in English, German, and Slovenian languages, and (Radio Slovenia Muravidéki Magyar Rádió (MMR), which covers the Hungarian minority programming in Slovenia. The station collaborates with Slovene studios and stations as well as ones from neighbouring countries (Austria, Hungary). Radio Si is part of EURANET network (European Radio Network).
The programmes of MM1 are aimed at all strata of the population, and are broadcast daily from 5am to 10pm, and once weekly during the night. Priority is given to the distribution of information about important regional events and to Slovene national programmes.