The main aim of the article is to investigate the spatial structure of international research on post-socialist cities. The analysis is based on data derived from the Scopus database (2001–2018) and includes issues such as the publication dynamics, structure of authors (with regard to cities and countries), main publishing ‘channels’, as well as networks in ‘producing’ knowledge on post-socialist cities. The analyses conducted primarily lead to a general conclusion about the high spatial concentration of these studies in the scientific centres of Central and Eastern Europe. On a more detailed dimension, however, analyses show a significant diversity in both the publication channels used by researchers and the co-citation networks. On this basis, a conclusion is made about the occurrence of the problem of introversions in research on post-socialist cities on an international scale, which is a broader concept than the Anglo-American dominance discussed for at least two decades.