Genealogy / Who can i find someone (Natalia who was in Turkey) in Poland! [7]

Hello my name is Paul and this summer i has in Turkey to spend my holidays!
There i knew i girl named Natalia that has from Poland! I didn't have the courage to ask her what is her e-mail or her telephone number...and when i was ready to ask her she leaved back to Poland.

So My question is
Who can i find someone in Poland if i knew so few things about that person... is in Poland any website like yahoo or 360.yahoo or some one can help me to find that girl??

Thanks !!