Tourism as an activity is an acquired good that is inalienable. Tourism is also a fundamental right of millions of people who belong to different cultures and who travel every day. On these trips, they meet, get to know each other, or perform some form of communication. Precisely the emergence of communication in tourism is an item that results in the change of those who travel, but also on the other hand of those who host them. Tourism is not possible without mutual communication, so it is necessary to emphasize the need for quality communication of diversity, all with the fundamental goal of better mutual understanding of people. Through the process of tourist activity, unknown people, and thus unknown cultures, become closer, more interesting. The study of tourist arrivals of passengers in the Republic of Croatia highlights the countries with which the Republic of Croatia has excellently developed communication, well-developed communication, poorly developed communication, minimally developed and historically burdened communication. Accordingly, this paper is aimed at noticing the specific origin of tourists in the Republic of Croatia, communication relations with them and the important fact of bringing peoples together and the culture to which tourism contributes greatly.