Dr. Iva Tuhtan Grgić, a researcher on the project DELICROMAR, undertook one-week field research at the European University Institute in Florence, Italy, from 18th until 24th June 2018. , where she was allowed to use the EUI's library and numerous databases. As dr. Tuhtan Grgić's research within the project is focused on the matter of concessions the aim of this research was to collect and study the relevant comparative legislation and literature in relation to the influence of the relevant EU legislation on the national laws regulating concessions in the ports of nautical tourism.