Smart cities are urban areas where digital and technological solutions are used with the aim of improving city and destination services and the life of local residents. Smart cities feature 6 dimensions, these being: smart environment, smart traffic, smart economy, smart people, smart housing and smart management. All these dimensions represent integral elements of life of the city and its inhabitants. Cities can become smart in only one dimension, in several dimensions or ideally in all 6 dimensions. A smart city that promotes tourism is also seen as a smart destination. A smart destination implies the outreach/continuation of a smart city and represents the area that recognizes tourists' needs and requirements, an area that uses technology to control and monitor their wishes, and based on the results, adapts its business approach aiming to increase competitiveness and improve the quality of life for local population. Croatian cities and destinations are at a low level of smart technology application. Although only a few cities have adopted a smart development strategy, more than 30 use some smart technologies. It is necessary to further educate the population and increase the level of investment in smart technologies, aimed at enhancement of both, local population's, and increasing number of visitors' satisfaction.