The article addresses the topic of the professional contacts between the renowned Polish histor-ian, Józef Andrzej Gierowski, and Romanian historians from academic institutions in Bucharest, Iasi and Chisinau. Following an analysis of the extant sources, it has been concluded that these contacts were the most intensive in the 1970s. They included participation in academic con-ferences, congresses and symposia, as well as private correspondence, e.g. with Veniamin Ciobanu from Iasi. In this particular case, the professional relationship evolved into a personal friendship. Józef Andrzej Gierowski’s recognisability among historians on a foreign academic forum attests to the fact that his achievements in research on the history of Central and Eastern Europe earned him considerable standing and respect among his peers.