The European Parliament elections will be held on Thursday, 6 June 2024. Those eligible can then vote for the Dutch members of the European Parliament, and should have already received a voting card in the post.
More information here in English from the Gemeente Den Haag.
The Hague University of Applied Sciences will also hold an information day on Monday 3 June:
https://www.thuas.com/about-thuas/events-activities/european-parliament-elections-info-day
Zestee 