After the Serbian-Turkish War and the territorial expansion of the Principality of Serbia in 1878, massive and violent expulsion of Albanians from the newly occupied regions (mainly from the district of Toplica, formerly partly inhabited by Albanians) and the burning of villages and Albanian quarters. The Principality of Serbia occupied the region of Niš, Leskovac and Prokuplje in which lived a large Albanian population, which was not limited to the Preševo valley, but also further north to Niš resident. Driven by Nationalism, Albanophobia and Islamophobia after the Ottoman occupation, however, the Albanians were displaced from this area to Kosovo or those areas where they still live today.