It doesn’t do any good for your heart, for your mind, for anything,” said Holocaust survivor Jona Laks, 94, about her return to Nazi Germany’s Auschwitz-Birkenau concentration camp.

King Charles will join world leaders at the commemoration event in Poland where lights will be laid in memory of those murdered.

Jews in Hungary and around the world are observing Holocaust Remembrance Day 80 years after the liberation of the Auschwitz-Birkenau death camp

Among 34,000 people in the town of Oświęcim is just one Jew – a young Israeli named Hila Weisz-Gut. It’s an interesting choice of residence, given the most famous feature of the town is its proximity to the Nazi concentration and extermination camp Auschwitz – where at least 1.

On Monday she will be among some 50 survivors who will return to Auschwitz for the 80th anniversary of its liberation by Soviet troops at a special ceremony with heads of state including Britain’s King Charles III.

Auschwitz survivors returned to the death camp in Poland to mark 80 years after the liberation. NBC News' Jesse Kirsch visited the location with some of the survivors as they shared their past experiences and what they want the world to know on Holocaust Remembrance Day.

Survivors of Auschwitz, where the Nazis murdered more than 1.1 million people, urged world leaders to be vigilant against a dangerous rise in antisemitism and extremism during a ceremony commemorating the anniversary of the death camp’s liberation in 1945.