Those places are German Nazi camps which were and are located in Poland. The government is trying to dictate vocabulary.
(CNN) A law proposal making phrases like “Polish labor camps,” “Polish extermination camps” and “Polish death camps” punishable by imprisonment for up to three years has been approved by Poland’s Cabinet. – snip –
They even want to have jurisdiction over you…
“According to proposed provisions, Polish system of justice will have global jurisdiction over the offence, as it has now over many other criminal behaviors. Therefore this draft law, when comes into force, could be applied towards foreigners committing aforementioned offences abroad. “