A lot of data about the cities of Leipzig, Ghent and Groningen are available online as so-called open access data. In addition, the regions of Saxony and East Flanders have their own data, which can also be found online. Finally, the national institutes have published open access data on their website.
General open access data
Groningen
Gent
Leipzig
Traffic and environment open access data
General data
Groningen
Gent
Leipzig