As a combination of different economic activities that converting natural, cultural – tangible and intangible resources into a added economic value, tourism currently has a crucial importance for the total development of a Republic of Croatia. Tourism in Croatia, as well as the one in Medjimurje County, is depending on trends in the global market in which, in order to be long-term competitive and sustainable, one should apply the best global practices in its development and business activities. Some of such practices are Corporate Social Responsibility and eco museology. The concept of a tourism product that is based on principles of corporate social responsibility is prospective Ecomuseum Medjimurje that will through valorization, protection, and touristification of natural, cultural - tangible and intangible, ethnographical heritage, as well as with involvement of the local community, strongly contribute to the tourism reputation, and overall prosperity of Medjimurje county. This thesis is focused on determining stakeholder attitudes regarding the development of the new Ecomuseum in Medjimurje County. In research conducted a total of 109 respondents were involved.