to locate perenowce near rohatyn stanislawow
Couple of pages that might help you in your search.
Perenówka is on this map Just North of Rohatyn Stanisławowskie → powiat Rohatyń, Kałusz → część północno-wschodnia Bursztyn, Halicz, Kałusz, Rohatyń, Wojniłów
If this was the place it's so close to the city that it might be part of the city of Rohotyn now, because I don't see it on Google Earth.