Rent a car - Croatia is small country but to explore it you should consider to rent a car if you dont have your own.Each airport in Croatia has a few rent a car agencies in airport building and also in town where you are going.In high season Croatia is crowded with tourists that are looking for some cheap rent a car so try to reserve your car a few months before arrival.It will save your time and money.You can do it by the phone or via e mail, probably will be asked for crdeit card details before reservation.Google search will help you to find right one.Prices are higher than you would expected, starts from 30 Eur-o for small car and goes up to 150 Eur-o and more for luxury cars.You can expect to find some Ford Focus or Opel Astra for some 60 Eur-o.Insurance is usually included in price but always check it before reservation.Speed on highway in Croatia is limited on 130 km/hour, freeway is 80 km/hour and in towns and cities is usually 50 km/hour or even lower.My advice is to avoid planning excursions on weekend days to any of top destinations if you are not prepared for long stops.Always have enough watter with you.Fuel in Croatia is expensive just like anywhere in the world in this moment, Diesel is about 1,1 Eur-o per liter.