The other type of real estate in Poland is the so-called residential real estate - it is created on the basis of the law on residences. The dwelling house is a dwelling, which, as a result of separation according to the principles set out in that law. In order to establish ownership of a property, it is necessary to register this property in the land and mortgage register. More at:
http://www.mflegal.pl/real_estate_in_poland_residential_real_estate.html