Tourism in the Republic of Croatia is one of the most important economic branches. During the season of tourism, tourism sector employs most of the working-age population, which affects the living standard of the population. Tourism of the Republic of Croatia in the longterm contributes to economic growth by attracting foreign investment and short-term by balancing the balance of payments and encouraging additional employment in closely related tourism activities. The role of tourism in the economy system is derived from it is economic functions, so this work presents the tourism functions and their roles in the economic system of the Republic of Croatia Varaždin County is located in the extreme northern part of Croatia and has favorable natural and socio-geographical conditions for tourism development. But speaking of tourism development Croatia always emphasizes the potential of the Croatian coastal and island area as the most important tourist destinations, while neglecting the tourist potential of continental counties and cities, except for the city of Zagreb and certain protected areas.