ENThe article deals with ethnocentric cultural diplomacy model of the Second Republic of Lithuania, its geocultural dimension and character based on Romualdas Ozolas geocultural and geopolitical reflections. Ozolas states the fact that the Lithuanian nation has never developed cultural independence, the main reason of this indicating the ethnos weakness, which led to the nation's persistent losses. Therefore, Ozolas develops the cultural diplomacy model, which aims to strengthen the nation's ethos and restore the historical truth. To achieve this goal the geocultural task is formulated - to create a strong nation inside and outside, making the Lithuanian ethnic culture the basis of the nation's identity and the historical truth the guaranty of the nation and the state's continuity. In this context, the ethnic culture and the nation's resistance history is highlighted. Ozolas considers the Western civilisation as the space of decline, which underwent the distortion of the concepts such as nation, homeland, freedom, patriotism, and values during the secularisation of the Christian thought. Considering the Lithuanian culture to be a descendant of the Old Europe, Ozolas finds the meaning to propagate the Baltic culture, which can give a strong impetus to the European renaissance. Geopolitically stating Lithuania in Central Europe, which is dominated by the nation-states, for centuries striving to remain and survive, being potentially able to reconstruct their ethnic substrate Ozolas believes that the best way to regulate the state's relations with its immediate neighbours should be based on the principles of ethnos and truth. In relations with Poland the Peace Treaty between the Republic of Lithuania and the Soviet Russia signed on 12th July 1920 is considered the only right and legitimate as it recognises the southern and eastern borders of the ethnographic Lithuanian territory.The assessment of the historical context and the requirement to admit the mistakes made in the past, except the history of the Polish-Lithuanian Commonwealth becomes a key point in relations with Poland. Therefore the cultural dialogue between the states is hardly formed, clearly focusing on the ethnocentric content. In the context of truth and justice the question of Kaliningrad has been raised. It was believed that Lithuania is the only inheritor of the Baltic Prussian heritage. The Act of Tilsit adopted by the Prussian Lithuanians on 30 December, 1918 considered to be a pretext to cultural activities in Lithuania Minor.