The confines and development of the Kozjansko Regional Park were defined in 1981, when the law on the Trebče Memorial Park was adopted. The Park as it is today is defined in the 1999 Law on Nature Preservation. 206 square kilometres of mountainous sub-Alpine and largely forested terrain covering Rudnica, Bohor, Vetrnik and Orlica, combined with the plains of the Sotla basin, the vineyard-dotted hills of Virštanj, Bučka gorca and the hills of Bizeljsko and Pišece, give the Kozjanski Regional Park a particular identity. Park has 5 castles and 32 churches. Important heritage sites include Podsreda Castle, Javeršek Homestead, Levstik Mill and the Slovene-Bavarian House with its Bavarian Room, Library and multipurpose space in which exhibitions are organised. The Podsreda Nature Trail has also been established within the Park. Every year Kozjansko Apple Celebration is organised. It is an international event where locals and their European partners, ecological farmers, craftsmen, societies present their products on a fair and promote sustainable development of country side with focus on ecology.
Projects
Kozjansko Park collaborates successfully in many international development projects, and is partner in numerous European projects.
In year 2002 Phare 2000 program supported project Forming Sustainable Tourism Products and Services in Kozjansko they managed to educate and employ young local intellectuals and started promoting regional products, cultural and natural heritage.
Interreg IIIA program neighbouring program (Slovenia, Croatia and Hungary) where Kozjansko Park was partner in the project where their responsibility was to take action and protect biotic diversity of high-trunk orchards and the aesthetic value of the landscape (2003- 2007).
In Transromanica (INTERREG IIIB/CADSES, 2003-2006) aim was to establish tourist route connecting important Romanesque monuments from Slovenia through Italy, Austria and Germany. In Kozjansko Park Podsreda Castle is one of best preserved Romanesque castles in Slovenia.
LIFE Nature is an EU program that helps to fund the preservation actions for natural habitats and free-living flora and fauna. The project took 3 years, to the end of 2003. It brought along numerous improvements in preservation of cultural landscape and habitats in Kozjansko region.