Forests of pedunculate oak in Croatia cover 9.7%, or 201,739 ha of the total forested area. Natural regeneration of pedunculate oak in Croatia has a tradition of over a century. Regeneration is done with shelterwood fellings in three (preparatory, seedling and final) or in two cuts (seedling and final). In new-formed ecological conditions marked with forest dieback and decline, sites have to be prepared in order for natural regeneration to be successful. This action improves conditions on and in the soil and enhances the success of regeneration. Forests are also regenerated artificially. Artificial regeneration is very similar to natural one, with the only difference that seeds or seedlings of pedunculate oak are brought into the site by man. Natural regeneration is successful if about 40,000 plants per ha are achieved. In artificial regeneration, about 800 kg of seeds should be sown, about 500 kg mattock planted, or about 15,000-20,000 plants planted per hectare.