Croatia adopted the Euro in January 2023, replacing the Kuna, so standard Eurozone cards and cash apply throughout the country. Tap water is safe to drink in Croatia. Tipping is appreciated but not obligatory — rounding up a restaurant bill or leaving a small gratuity for a guide is customary. Summers on the Dalmatian coast are hot and busy; pack sun protection and light clothing for any departures in late spring or early autumn. On Balkans itineraries that cross into Bosnia, Montenegro and Serbia, note that different currencies (Bosnian Mark, Euro, Serbian Dinar) may apply in those countries, though cards are widely accepted.