In June 2014, fuel in Slovakia averaged €1.515 for petrol

Petrol, monthly average€1.515/L
Diesel, monthly average€1.370/L
LPG, monthly average€0.710/L
Weekly bulletins held for June 20145

Monthly averages for Slovakia across June 2014, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).