A nonprofit organization it is an organization that uses its surplus of the revenues to further achieve its ultimate objective, rather than distributing its income. Croatian National Tourist Board leads its bussines on non profit principal, it’s main goal is not profit or income, instead, it’s goal is further advancement of tourist offer in whole Republic of Croatia, which benefits society. In this paper we have defined the functioning, work and activity of the Croatian National Tourist Board, reflected through the results expressed in numbers, ie arrivals and overnight stays. This is primarily due to the fact that tourism has become the most important branch and the only bright spot of the Croatian economy. In addition to the well-made promotion, natural beauties of Croatia, primarily of the coast and the archipelago have contributed to its development. This paper is based on the role and contribution of the Croatian National Tourist Board, which as a supreme tourism institution, in cooperation with local tourist communities, initiates, co-finances and supervises all tourist promotional activities.