The town of Tarnow, in South eastern Poland, had been administered by Austria until it was returned to Poland after the end of World War II, when Krystyna was still a very young child.
Ang bayan ng Tarnow, sa Timog silangan Poland, had been pinangasiwaan ng Austria hanggang sa ito ay ibabalik sa Poland pagkatapos ang dulo ng World War II, kapag Krystyna ay napakabata pa ng bata.