Digitalization is a product of globalization and information technology development and is more and more present in many companies whose main advantage is paperless business. Digitization in Entrepreneurship is the inevitable process of the digital revolution, which in the 21st century is focused on the organizational structure of the company and only on the business of the company. Business digitalisation significantly reduces costs, speeds up the business process and arranges the arrangement. Small and medium-sized enterprises in tourism have a great competitive advantage when using digital marketing. Persons who provide catering and other tourist services or perform other activities directly related to tourism by managing the destination at the level for which they are established. Modern communication technologies such as Facebook, Twitter, Instagram, WhatsApp, Viber, Messenger and others are becoming more and more important in promoting tourist content both in domestic and foreign markets. The subject of this research paper is to find out to what extent and in which ways the Tourist Boards of the cities, municipalities, regions and counties use contemporary communication technologies for the purpose of promoting tourist destinations. The objectives of the research are to determine the representation and level of application of communication technologies in the various tourist regions of the Republic of Croatia, for which specific tourist boards are responsible.