Project strategy concerns preparing procedure for elaborating tender procedure according procedure by Law of each country, elaborating technical documentation for both caves, presentation and promoting the final technical designed documentations in this project. Achievements: The project aimed to elaborate technical documentation for infrastructure of protected areas of caves:Venec in Bulgaria and Rajkos Cave in Serbia as a base for reconstruction and modernization as natural attractions in region. Technical documentation for both caves, necessary for tourism investments in public infrastructure was properly developed and a variety of promotional materials were prepared and distributed to the target groups. In addition, a partnership memorandum between the two municipalities was signed in relation to the potential future cooperation and potential implementation of the infrastructure plans elaborated within this project.