Right-wing nationalist Orban, who was re-elected with a landslide in April elections for a third straight term, did not reveal any further details.
Fresh from a landslide election win in April, Hungary's combative premier Viktor Orban was formally sworn in as prime minister on Thursday, and hinted at designs on power until at least 2030.
Hungary's Prime Minister Viktor Orban retained his controlling two-thirds majority in parliament following last week's election, a final ballot count revealed on Sunday, giving him free legislative rein for the next four years.
Prime Minister Viktor Orban launched a last-ditch effort to mobilise supporters in Hungary's parliamentary election on Sunday, as interim turnout ran even higher than in a 2002 vote that consigned him to eight years in opposition.
Slovaks started voting on Saturday, likely to hand a third term to Prime Minister Robert Fico, a left-wing nationalist whose vocal anti-immigration stance chimes with those of Hungary's Viktor Orban and Poland's Jaroslaw Kaczynski.