The protected area covers the middle and southern part of the PirinMountains and the border mountain Alibotush (Slavyanka). It is a natural extension of PirinNational Park in the south.
The area is very low populated with well preserved nature. Contains two reserves: Alibotush and Orelyak, and a number of protected areas and natural landmarks. In the zone there’s a transition from Alpine to Mediterranean pine vegetation and both habitat types are present.