The thesis deals with the possibility of using the game "Postcrossing" in teaching regional geography at the 2nd stage of primary schools. The main goal of this thesis is to create overview of basic principles and rules of the game and to develop proposals for educational activities resulting from the "Postcrossing" game. The thesis also includes a practical part, which contains the description of problems and positive outcomes that were revealed during the practical realization. The result is a list of suggestions for classroom activities that are applicable in school practice.