This work looks into the relations between Serbia and Serbs from southern Hungary in period from 1903 to 1914. The dynamics of relations- their nature and volume-are analyzed in two ways. Firstly, by comparing the relations in time, through the 19th century up to the 1903-1914. And secondly, by comparing them to Serbia's engagement vis-a-vis other external populations in the same period. The aim of the analysis is to answer the question whether these relations can be observed through the framework of triadic nexus - Serbia as external national homeland and Serbs from southern Hungary as...