In Slovenia, town of Izola, during a period of several days (28.11 – 1.12.), a regional workshop on the exchange of experience and knowledge on marine litter was organized. It was organized as part of traditional annual workshops organized by MedPAN (Network of Managers of Protected Maritime Areas in the Mediterranean) and Interreg Project Act4Litter. The workshop was held under the title “MPAs facing pollution in the Mediterranean: thinking beyond borders”, and the task was to present the most recent research and effort don on the problem of litter in the marine environment with a special emphasis on marine protected areas. Several problems and / or research in Croatia were also presented (marine litter and Neptune sea grass on Saharun beach on Dugi otok, and litter from leisure boats in NP Kornati).