The final work consists of five parts. The first part is an introductory part consisting of the subject and purpose of the paper, data sources and collection methods, and the content and structure of the paper. After that, the concept of entrepreneurship and entrepreneurs is defined and the division of entrepreneurship is stated. In addition, the second part includes the definition of small business, the characteristics of a good entrepreneur and the advantages and disadvantages of entering small business. The third chapter deals with the concept of coronavirus, the development of coronavirus in the world, the spread of coronavirus in Europe and finally the coronavirus pandemic in the Republic of Croatia. The impact of coronavirus on small businesses in the Republic of Croatia is reflected in the fourth chapter, which lists its emergence and development, preventive measures and closure of companies affected by coronavirus, and easing of measures and opening of companies affected by coronavirus. The fifth chapter determines the research methodology, research results, hypotheses, limitations and recommendations for future research and draws a conclusion.