The Nature Park is administered by the Public institution "Žumberak – Samoborsko gorje Nature Park" established by the decree of the Croatian government on 16th September, 1999.
Economic and other activities that do not jeopardize its crucial characteristics and purpose are allowed in the Nature Park – the Nature protection Act (NN 70/05).
The area of Žumberak and the Samoborsko gorje was designated a protected natural resource –by the Act of the Croatian parliament on 28th May, 1999.
It stretches over hilly and mountain area of southern slopes of Žumberačka gora and the Samoborsko gorje
Area: 333 km²
The highest peaks: Sveta Gera 1178 m, Japetić 880 m
Administrative counties: Zagrebačka županija and Karlovačka županija
Towns: Samobor, Jastrebarsko and Ozalj
Local administrative districts: Žumberak, Krašić and Klinča Sela
Areas of special protection:
Countryside of special importance – Slapnica near Krašić
Special reserve of woodland – Japetić
Park – forest – Okić Grad with surrounding area