The objective of the article is verification of the images related to the pro-Nazi orientation of population of Klaipėda Region in 1930’s which was formed in propaganda discourse and Lithuanian Soviet historiography during the interwar and post-war period. Disassociating the material from the incriminatory attitude, which prevailed in Soviet historiography, the authors analyse the support for National Socialism in Klaipėda Region, define the reasons for this support, characterize the motives for involvement in the local pro-Nazi structures of the local population, and the aims of the NSDAP for maintaining these structures. The article distinguishes three stages of adaptation of National Socialism in Klaipėda Region as well as peculiarities of this adaptation.