Koningsnacht begins Sunday evening, April 26, with parties, festivals, and club nights taking place all over the country as Dutch cities prepare for Koningsdag on Monday, April 27, when the royal family will travel to Dokkum in Fryslân for the official national celebration. Street parties will be held all over the country to mark the birthday of King Willem-Alexander, with public markets, concerts, and open-air events filling city centers and smaller neighborhoods alike.