Juraj V Zrinski was born in Csáktornya Kingdom of Hungary (today Čakovec, a town in the Međimurje County, the northernmost county of Croatia). He was the grandson of one of the greatest Croatian Ban, Nikola IV Zrinski, who died in the tragic and heroic Siege of Szigetvár (), at a town in the western Hungary where the Ottoman invasion to Vienna had been stopped.