The article discusses the main factors which shaped the peculiarities and distinctions of political elites in East Prussia in the first half of the 19th c. Among them, it names the growth of self-sufficiency of provincial nobility during the period of the Napoleonic Wars, the role of political elites in the liberal movement for constitutional reforms in Prussia, as well as the use of historical research and symbols of the past, increased in the first half of the 19th c. for the definition of distinction of both the province and its representatives. In the article, particular attention is paid to the examination of the factors of Russian neighbourhood and East Prussia’s position in the borderland between Prussia and Russia, showing their impact during crucial to Prussia events of 1813 and 1848. Due to the intertwining of all of those factors, in the first half of the 19th c., the consciousness of political elites in East Prussia ranged between regional provincial patriotism, Prussian patriotism (perceived through the relationship between the King and his subjects), and the growing sense of belonging to the German nation.