The Kingdom of the Netherlands (Dutch: Koninkrijk der Nederlanden, pronounced [ˈkoːnɪŋkrɛiɡ dɛr ˈneːdərlɑndə(n)] ⓘ;[h], West Frisian: Keninkryk fan de Nederlannen, Papiamento: Reino Hulandes), commonly known simply as the Netherlands,[i] is a sovereign state consisting of a collection of constituent territories united under the monarch of the Netherlands, who functions as head of state. The realm is not a federation; it is a unitary monarchy with its largest subdivision, the eponymous Netherlands, predominantly located in Northwestern Europe and with several smaller island territories located in the Caribbean.