Molaei is also Iran's ambassador to Austria.
Molaei and Slobodnik discussed issues of mutual interest, as well as the latest regional and international developments.
Underlining Iran's key role in the region and internationally, the Slovakian official voiced his country's readiness to negotiate with Tehran over the developments across the region and the whole world.
A top-ranking Slovakian economic delegation headed by the country's Minister of Finance and Deputy Prime Minister Peter Kazimir is reportedly due to visit Iran in coming days.