Australia / HOW DO I MOVE FROM AUSTRALIA TO POLAND PERMANENTLY? PARENTS BOTH FROM POLAND [26]

Some one please help me, what do i need to do to gain polish residency permanently?
Do i have to be a polish citizen? if so how do i apply for it and am i eligble? my mum and dad were both born in poland and came to australia 20 years ago. (my mum was 26, dad 36)

Any other ways i can move?
what documents do i need?
please help!

BTW i was born in australia.