Willemstad is thecapital cityofCuraçao, anislandin the southernCaribbean Seathat forms aconstituent countryof theKingdom of the Netherlands. Formerly the capital of theNetherlands Antillesprior to itsdissolution in 2010, it has an estimated population of 150,000. Willemstad is home to theCuraçao synagogue, the oldest surviving synagogue in the Americas.