Events/Wikimedia Mapping Event 2013

Options suggested so far:

Open Source Days, 9-10 March 2013, Copenhagen/Denmark
Who's helping: Potentially Wikimedia Denmark

See: http://www.opensourcedays.org/

Pros:
 * existing conference, venue

Amsterdam Hackathon, May 2013
See Amsterdam Hackathon 2013

Pros:
 * will definitely happen
 * largest Wikimedia hacking event in Europe

Cons:
 * timing is a bit late
 * less focus on geo, lots of potential shiny distractions

London event, TBD
Who's helping: Potentially Wikimedia UK

Pros:
 * lots of geo/OSM devs in/near London

Cons:
 * would need to be organized from scratch, no obvious existing event to attach to