The study focuses on the analysis of the tasks of the Ministry of the Interior within the repatriation and reemigration changes that took place in Czechoslovakia afte the First and Second World War. From a geographic point of view, it is limited to the neighbouring countries of Czechoslovakia, especially to the arrivals of expatriates from the territories of Hungary, Poland, Austria and Germany.
It views in repatriation and reemigration from the perspective of one of the major actors in these processes, which was the Ministry of the Interior.