The political and economic situation in the southeast Baltic region changed dramatically when two main powers, the Grand Duchy of Lithuania and the Teutonic Order, emerged in the 13th century. These political structures tried to involve local communities in the social organisation of their newly established states. Archaeological material (pottery) is analysed in this article. It could help us understand the processes happening in what is now western Lithuania during the Medieval period. Local and Western pottery is assessed as evidence of contacts between the Crusaders and the local people. These contacts are interpreted as part of the cultural interaction process between the two different communities