 There are Pannonian Rusyn communities in Slavonia (Croatia), forming a majority in the village of Petrovci, Bogdanovci municipality, in Vukovar-Srijem county.The population of Banat and Bačka was decimated in the Ottoman wars.Rusyns emigrated to today's Banat and Bačka regions alongside Germans, Hungarians and Slovaks from a region that, in modern times, comprises parts of eastern Slovakia and northwestern Hungary.