The village has 5 neighbourhoods, Çejlani, Ballaboni, Arqevishi, Brezoveci, and Tojlani.
[4] In 1916, according to the researcher Stefan Mladenov, in the district of Galičnik it was difficult to accurately count the Albanians, especially in Upper Reka, because there were Christian villages that spoke Albanian and Bulgarian, such as: Beličica, Duf, Sence and Kičinica.
[5] The newspaper "Vreme" published on May 20, 1927, the report "Through Southern Serbia : Under Sharr and under Korab".
However, Salihi notes that this identification is due to the fact that the local Albanians adhered to the Orthodox Christian church.
[5] According to a 1929 ethnographic map by Russian Slavist Afanasy Selishchev, Duf was a mixed Albanian-Bulgarian village.