In this list, we have compiled the smart cities in Europe that have shared out data publicly in an aggregated open data portal. For the scope of this list, we have included only the open data portals of cities in a country and not the country's national open data portal.
In general, we note that more cities in Western Europe have embarked on city-level open data initiatives compared to their counterparts in Central and Eastern Europe. The countries with the most open data portals for its major cities in Europe include Italy (13+ city portals), Spain (12+ city portals), France, Germany and United Kingdom (7+ city portals apiece).
Some of the notable well-designed city open data portals with rich datasets include:
This list is compiled in conjunction with the Insights article "Smart Cities - The Rise of Aggregated Open Data Portals".