Feriköy is a district where the ethnic origins and religious differences of Istanbul show a great diversity in the late 19th century. In this period, the presence of Bulgarians and Georgians attracted less attention, albeit with the knowledge that Greeks and Armenians from Ottoman citizens, and foreigners from European countries lived in the neighbourhood. The conflict between Orthodox Bulgarians and Catholic Georgians, who have corporate structures around Feriköy and Şişli, as a result of a decision on governance uncovered some unknown and interesting facts about the city and its history. The decision taken about giving a building plot to the Bulgarian congregation for the construction of a school used as a garden located next to the Catholic Georgian Church in Feriköy; caused the two groups to engage in a tough battle with each other. In this article, through the documents in the Prime Ministry Ottoman Archives, the conflict process between the people who use the urban space of the decision to build the Bulgarian Seminary has been considered, and the result of the disagreement between Orthodox Bulgarian Priests and Catholic Georgian Nuns has generally been evaluated.