In August 2018, fuel in Croatia averaged €1.395 for petrol

Petrol, monthly average€1.395/L
Diesel, monthly average€1.337/L
LPG, monthly average€0.670/L
Weekly bulletins held for August 20184

Monthly averages for Croatia across August 2018, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).