The data spaces journey starts with an overview of the EU policy context  which creates the basis for data spaces and is defined within the overall frame of the ‘Europe Fit for the Digital Age’ priority of the EU, and in particular the European Strategy for data. Within the following 'introduction' sections, you will find descriptions of the concept of a common European data space from policy, learn more about the key actors within this domain, data space principles and most importantly; what is a data space?