The Queen of the Most Holy Rosary Cathedral also known as Pietermaai Cathedral or the Cathedral of the Holy Rosary is a religious building belonging to the Catholic Church, which serves as the cathedral of the Diocese of Willemstad in Juliana Plein 5, Pietermaai, Willemstad a city on the island of Curacao and has under its jurisdiction all dependent islands of the Netherlands in the Caribbean Sea off the coast of Venezuela. Wikipedia