The Paris Peace Conference 1946 in a significant manner interfered into the European and Central European politics. It became a place of confrontation but also a place of formation of basic lines of post-war political orientation and international political status of participating and involved countries. The preparations of peace agreements with Italy, Romania, Bulgaria, Hungary and Finland during the Potsdam Conference (July - August 1945) was delegated to the Council of Foreign Ministers, composed from representatives of Soviet Union, USA, Great Britain and China. The Council of Foreign Ministers submitted to the Paris Peace Conference held from 29 June 1946 till 15 October 1946 elaborated proposals of peace agreements.The paper is dealing with mechanism of functioning of the Peace Conference (participants, invited states, relations toward hostile states). The paper is mapping overall activities of Peace Conference, activities of individual institutions (the Committee of Conference, commissions (political and territorial, economic and special commissions such as the Military Commission, the Commission for Processual Issues, the Comission for dealing with Press, the Editorial Commission, the Legal Commission and the General Commission), sub-commissions and processual issues of Peace Conference activities.A special attention is given to the Political and Territorial Commission for Hungary, in frame of which were taken into consideration demands, additions and amendments brought-up by Czechoslovakia. In this context attention is given also Czechoslovak and Hungarian delegations and conditions in which both delegations were working. Primary attention is given to Czechoslovak demands submitted to the Peace Conference.The Conference approved a list of recommendations to the peace agreements. Consequently the Council of Foreign Ministers elaborated definitive versions of peace agreements during the session in New York on December 1946. The signing of peace treaties was done on 10 February 1947 in Paris.