Genealogy / THE MEANING AND RESEARCH OF MY POLISH LAST NAME, SURNAME? [4500]

Merged: Name Meaning!

I came from Poland. Warszawa.
My name is Aleksandra.
for short i am called any one of these:
Ola, Olenka, Olunia, Olusia, Oluchna, Olucha, Olka.
what does my name actually mean? my friend Bozena, her name means bunny. What is mine? nobody ever told me :(

also what does my last name mean:
Zdzienicka