This paper defines the concept of Corporate social responsibility (CSR) and it's role and importance in the business environment. The paper consists of three chapters. The first chapter explains all the essentials elements of the above concept, about historical developments, the factors that have influenced and continue to influence it' s implementation, internal and external dimensions of the concept are also described, as well as ISO standards which are also part of corporate social responsibility. The second chapter is about Republic of Croatia and the presence level of corporate social responsibility both in business and tourist environment, and it' s role in promoting the concept. The chapter tells about various programs that encourage the implementation of social responsibility. These programs are: CSR index, Global Compact Network Croatia and the UNDP for development in Croatia. The last chapter describes the selected tourist company Maistra d.d., it' s development until today where she became one of the leading hotel companies in Croatia. The chapter analyses how corporate social responsibility applies to the company and how the selected elements help in implementing the internal and external dimension of the concept. Based on the analysis it was found that Maistra d.d. actually operates in a socially responsible way, which is supported by the fact that the company is year after year winner of numerous awards in the field of socially responsible business.