Van 1655 tot 1918 was Arolsen residentiestad van het vorstendom Waldeck(-Pyrmont), daarna tot 1929 hoofdstad van de Vrijstaat Waldeck. ###>From 1918 to 1929 Arolsen was capital of the Free State of Waldeck-Pyrmont (after 1922: Free State of Waldeck), which was subsequently incorporated into Prussia.