Countries Prisons Reform Tools Insights AI search Contribute

Aleksander Niewczas

1923–1944

Incarceration history

Zigeunerlager Auschwitz
Dates unknown
Mauthausen concentration camp
Dates unknown

External references

Wikidata (Q115737630)

World Prisons

A public reference of worldwide prison statistics and facility information.

Explore

Countries
Prisons

Reference

Data sources
About

Important

Data is aggregated from public sources and may be incomplete or out of date. Verify against primary sources before relying on any figure.

© 2026 World Prisons. Not affiliated with any government or correctional administration.