- Scythian antiquities of the Northern Black Sea Coast. National movements and dismantling of empires (XIX - XX centuries),
- Ethnology and ethnography of Southern Ukraine,
- history of the Cossacks (XVI - XIX centuries),
- expansion of the Russian Empire in the southern Ukrainian lands in the XVIII - XIX centuries,
- foreign colonization of Southern Ukraine (XVIII - XIX centuries),
- history of religions and churches in Ukraine (XIX - XX centuries),
- processes of modernization in the Ukrainian lands (late XIX - I half of the XX century),
- Ukrainian revolution of 1917 – 1922,
- artificial famine -genocides of the Soviet era in Ukraine,
- Nazi occupation regime in Ukraine (1941 -1944),
- Ukrainian liberation movement of the twentieth century and the Soviet repressive machine,
- oral history of the peasantry of Southern Ukraine in the 2-nd half of the XXth - beg. XXI century,
- theory and practice of historical source studies,
- modern Ukraine in the system of international relations,
- Nazi regime in Germany and its impact on the development of the Europian totalitarianism,
- history of the Holocaust in Eastern Europe,
- the policy of national memory in Ukraine and the world: comparative analysis,
- history of Protestantism in Central and Eastern Europe (XVI - XIX centuries).