U radu se razmatra suradnja (dijalog) između nacionalnih upravnih sudova i Suda Europske unije, te se utvrđuju najznačajniji elementi te suradnje. Posebna se pozornost daje prethodnom postupku i položaju hrvatskih upravnih sudova u njemu. Ukazuje se na odnos između nacionalnih upravnih sudova, Suda Europske unije i Europskog suda za zaštitu ljudskih prava nakon Lisabonskog ugovora. Ujedno se razmatraju i rješenja prihvaćena u drugim zemljama s posebnim naglaskom na utjecaj francuskog upravnog prava na suradnju (dijalog) između sudova.This paper discusses the dialogue judges between administrative court and Court of Justice of the European Union, and determines the most important elements of this cooperation. Special attention was given preliminary ruling procedure and position of Croatian administrative courts in it. In the following paper, the relationship between tha national administrative courts, the Courts of Justice of the European Union and the European Court of Human Rights after the Treaty of Lisbon. This paper also discusses the solutions adopted in other countries, special attention was paid to the influence of French administrative law on cooperation (dialogue) between the courts due to a strong influence on the development of that cooperation