Embassy of the Kingdom of the Netherlands in Austria 

Contact embassy Vienna - Austria | The Netherlands and Austria (netherlandsandyou.nl)

Permanent Representation of the Kingdom of the Netherlands to the OSCE 

Contact PR OSCE in Vienna - PR OSCE Vienna | The Netherlands and the OSCE (netherlandsandyou.nl)

Permanent Representation of the Kingdom of the Netherlands to the United Nations Organisations in Vienna 
https://www.netherlandsandyou.nl/web/pr-un-vienna/about-us/contact-pr-un-vienna