In December 2019, fuel in Croatia averaged €1.341 for petrol

Petrol, monthly average€1.341/L
Diesel, monthly average€1.331/L
LPG, monthly average€0.618/L
Weekly bulletins held for December 20193

Monthly averages for Croatia across December 2019, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).