In May 2017, fuel in Slovakia averaged €1.275 for petrol

Petrol, monthly average€1.275/L
Diesel, monthly average€1.111/L
LPG, monthly average€0.581/L
Weekly bulletins held for May 20175

Monthly averages for Slovakia across May 2017, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).