This report by the European Data Portal, investigates the Open Data Initiatives in eight medium-sized European cities: Dublin, Florence, Gdansk, Ghent, Helsinki, Thessaloniki and Vilnius. Overall, this report shows that not only Europe’ s most prominent cities like Barcelona and Paris – as featured in a previous report of the same entity – are maturing on their Open Data journey, but that also medium-sized cities are taking bold steps on their Open Data journey.