http://www.esri.com/apps/company/contact/index.cfm?fa=distributor.lookup&country=Netherlands
Hi Matthew,
In the Netherlands, you can order Esri CityEngine with Esri Nederland, the Dutch distributor of Esri Software. If you are interested in Esri CityEngine, please contact our Service Center via email ( orders@esri.nl) or by phone (+31 10 2170700). Hope this helps. If this doesn't work out please let me know!
Cheers,
Niels van der Vaart
Support Engineer @ Esri Nederland
nvandervaart@esri.nl