Constitution of the Netherlands
The Constitution of the Kingdom of the Netherlands of 24 August 1815 (Dutch: Grondwet voor het Koninkrijk der Nederlanden van 24 augustus 1815) is one of two fundamental documents governing the Kingdom of the Netherlands as well as the fundamental law of the Netherlands proper (the territory of the Kingdom mainly situated in Europe). The Kingdom of the Netherlands also includes Aruba, Curaçao and Sint Maarten: there is an overarching instrument of the entire kingdom that has constitution characteristics: the Charter for the Kingdom of the Netherlands.
Source: Wikipedia — Constitution of the Netherlands (CC BY-SA 4.0)