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

[Moved from]: Researching surname of Czekanski and Ciesla from Potok, Galicia

Hello,

I am not sure if Potok is Austria or Poland. I am researching two surnames Ciesla and
Czekanski. (father is Ignacy Ciesla: daughter Antonina Ciesla born in 1885. Antonina married Joseph Czekanski and I believe they immigrated to USA in 1901 (Holyoke MA area). Does anyone know how to research Potok