nl.campus-party.org/
A quick tip:
the 4th Campus Party CPEU4 is currently taking place in Netherlands (25-29 May). Roughly half a million people from all over ther world are participating in the event.
You can follow hundreds of speakers on stage, workshops, and challenges (extra sessions to taking discussion results to action) via live stream, some of which are directly or indrectly related to learning cities and regions.
Have a nice day
Randolph