In April 2015, fuel in Croatia averaged €1.338 for petrol

Petrol, monthly average€1.338/L
Diesel, monthly average€1.237/L
LPG, monthly average€0.532/L
Weekly bulletins held for April 20153

Monthly averages for Croatia across April 2015, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).