"Polanky" is identified as Polanka (Nowogródek) in Simon Wiesenthal's "Every Day Remembrance Day: A Chronicle of Jewish Martyrdom. New York: Henry Holt and Company,1986.
"Polanky" appears to be an incorrect version of Polonka (Russian and Yiddish), Pałonka (Belarussian), Połonka (Polish). 53o09'N 25o43'E, Nowogródek region.

"Paresia" does not corresponds to Porechye [Porech'ye]. It was known as Porzecze in Polish at 53o53'N 24o08'E

Alexander Sharon
Calgary, AB