Yes, the tap water in Croatia is completely safe to drink and is of exceptionally high quality across almost the entire country. Croatia is one of the top countries in Europe for freshwater resources per inhabitant, and the tap water undergoes rigorous and frequent testing to meet strict EU drinking water standards. In cities like Zagreb, Split, and Dubrovnik, you can fill your reusable water bottle directly from the tap or from the many public "drinking fountains" found in town squares and parks. In fact, some of the water in regions like Dalmatia comes directly from the Cetina or Jadro rivers and is considered among the most pristine in the Mediterranean. You may notice a slight mineral taste in some coastal areas due to the limestone (karst) topography, but it is purely aesthetic and not a health concern. The only rare exceptions might be in very remote rural areas or on certain small islands during extreme summer droughts, where water is brought in by tankers, but even then, the local authorities will clearly post "non-potable" signs if the water is unsafe. In 2026, save your money and the environment by skipping bottled water and drinking the local tap water.