The conflicting approach of the European Union to the sovereignty of states and the violation of the doctrine of jurisdiction

The relationship between the European governments and the European Union as a transnational institution has been the subject of debate in terms of decision-making and the right to exercise sovereignty or decision-making authority. In the present study, an attempt has been made to investigate the conflicting approach of the European Union towards the sovereignty of states and the violation of the doctrine of jurisdiction. The question is, what are the conflicting cases between the member states and the European Union? With the qualitative method and descriptive-analytical approach, this hypothesis was examined: the right to self-determination by the people of the member states of the Union and the right to make judicial, legislative and executive decisions based on the norms and values of each nation is denied and national sovereignty is marginalized. The findings of the research indicate that the EU institution, regardless of the details, the local context of each land, the interests and values of each society, only deals with decision-making and implementation among the member states from a general perspective. Its examples in the criminal field are mutual recognition and in the political field,