Tourism is a very economically and socially complex phenomenon that is taking place nowadays developing more and more. There are many effects of economic, economic, social, environmental and others. Digital marketing in tourism is different from digital marketing in manufacturing industries, primarily because it is tourism service industry. Today's digital marketing serves in tourism to help guests they intend to get to a certain destination easier to find and to make it easier for them to book accommodation. The digital platforms and applications I have described in this paper they contribute a lot to making it easier for tourists and guests to come and stay. Every guest who comes has the opportunity to get to know the destination, accommodation, gastronomy, culture and all that through digital marketing which is represented in various applications and platforms. IN In this paper, I have described many tools that help in communication, such as websites and email, all the way to various social networks that can further evoke and describe the place. where the tourist will stay and eventually enjoy. Since I live in this present day where without a cell phone in hand as if you don't "exist" I think digital marketing is very useful. Tourism in Croatia is growing, all with a large share of digital marketing