https://www.monarhie.ro/en/monarchyinternational/royalhouses/index.html Abu Dhabi, part of the United Arab Emirates - House of Nahyan Ajman, part of the United Arab Emirates - House of Al Nuaimi Albania Andorra Saudi Arabia Bahrain Belgium Brazil Brunei Bulgaria Denmark Dubai, part of the United Arab Emirates - House of Maktoum Eswatini France - House of Bourbon France - House of Bourbon-Parma France - House of Orléans Fujairah, part of the United Arab Emirates - House of Al Sharqi Germany - House of Hohenzollern Germany - House of Hohenzollern-Sigmaringen Greece Italy - House of Savoy Jordan Japan Lesotho Liechtenstein Luxemburg Malta Ordinul Suveran de Malta Maroc Monaco Norway Netherlands Oman Portugal - House of Bragança Qatar Ras Al Khaimah, part of the United Arab Emirates - House of Al Qasimi Regatul Unit al Marii Britanii și Irlandei de Nord and Commonwealth Romania and Moldova Russia - House of Romanov Serbia Sharjah, part of the United Arab Emirates - House of Al Qasimi Spain Sweden Thailand Umm Al Quwain, part of the United Arab Emirates - House of Al Mualla Vatican Hugo en-GB