The operation saw investigators confiscate 2 tonnes of illegal tobbaco and more than 1 million counterfeit cigarettes, state news agency PAP reported on Monday.
Four suspects—two Poles and two Ukrainians—aged from 27 to 46, have been detained, law enforcers said.
Prosecutors have charged the suspects with illegal manufacture of cigarettes and tax offences.
The accused face up to five years in prison if convicted, reporters were told.
The crackdown, involving officers from Poland's Central Bureau of Police Investigation (CBŚP), saved public coffers some PLN 3 million (EUR 720,000, USD 780,000) in losses from uncollected excise tax, officials said.
(gs)
Source: PAP, cbsp.policja.pl