Gasienica is a very popular last name in Zakopane. they usually added a nickname to the end of it "przydomek"
My Father was a Gasienica (Fronek) and was from Skibowki, an area in Zakopane as well. His father was Jan Gasienica but he died in Poland. I am 1st Gen in the US, and having a tough time tracing my fathers roots.