The book presents the results of the trade exchange of Moravia, Czech Silesia and Hungary on the Krakow market based on an analysis of the Krakow Customs Registers from 1618, which are deposited in the collection of urban documents (Archiwum Akt Dawnych miasta Krakowa, rkp. sign. 2140). The individual records with separate categories of import and export contain, apart from the names of merchants, also their origin, the kind and amount of imported goods including customs fees; this did not apply to Krakow burghers, the nobility, the clergy, Jews and supplies intended for the royal court. From the investigated makeup and extent of the market exchange in customs books that before the Thirty Years’ War Krakow functioned as a major trade hub facilitating the transport of goods within local, regional and international Exchange.