Military diplomacy is part of the state's general diplomacy with a focus on developing military cooperation and exchange of experience, which is consequently conducted in relation to the trust and friendship between states. Military diplomacy systematically develops and changes over the years, and the beginnings can be declared from negotiations on the battlefield between military leaders to highly educated military personnel - diplomats, specialized in international relations, diplomacy and national and international security. The aim of military diplomacy is to protect the interests of the armed forces and to assess the state and capabilities of the armed forces in the receiving country. The topic of military diplomacy in Croatia is relatively poorly covered, and this paper will provide a complete overview of military diplomacy through history, its development and role, address the role of military envoys and the challenges that contemporary military diplomacy faces. In the following, the military and defense diplomacy of the USA and France, and finally Croatia, along with its position within the NATO alliance and the European Union, will be discussed. In conclusion, based on the above, the paper will propose a potential orientation of the military diplomacy of the Republic of Croatia within the framework of Euro-Atlantic institutions.