The author deals with the concept and effect of transterritorial acts of public administration authorities, he interprets the term transteritorial administrative act, he examines its effects with an extraterritorial character and subsequently he deals with the conditions of the decision of the administrative court about enforceability of transterritorial administrative acts in administrative judiciary. The findings from the research are reflected in the positive and negative aspects of the transterritorial administrative acts with effects in the Slovak Republic and he offers relevant de lege ferenda matter.