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 ( firstname.lastname@example.org) or by phone (+31 10 2170700). Hope this helps. If this doesn't work out please let me know!
Niels van der Vaart
Support Engineer @ Esri Nederland