This is a list of the non-German former monarchies of Europe. This is not, by any means, a comprehensive list.
BOURBON – TWO SICILIES (KINGDOM OF TWO SICILIES)
CASTRO BRANCH
Current Head of House: His Royal Highness Prince Charles, Duke of Castro
For All Royals
Royal Secretariat
Via Carducci, 4
00187 Rome (RM)
Italy
KINGDOM OF GREECE
Current Head of House: His Royal Highness Crown Prince Pavlos
For All Royals
Private Office of the Greek Royal Family
PO Box 51577
14503, Athens
Greece
EMPIRE OF IRAN
Current Head of House: His Imperial and Royal Highness Crown Prince Reza
For All Royals
PO Box 2931
New York City, New York 10185
United States
KINGDOM OF ITALY
THE HOUSE OF SAVOY – MAIN LINE
Current Head of House: His Royal Highness Prince Emanuele Filiberto, Prince of Venice
For Main Line Royals:
50a. Chemin du Vieux-Vesenaz
CH – 1222 Vesenaz
Switzerland
SAVOY-AOSTA BRANCH
Current Head of House: His Royal Highness Prince Aimone, Duke of Aosta
For All Savoy-Aosta Royals
Tenuta San Rocco
Via de Meliciano, 14
52029 – Castiglion Fibocchi (Arezzo)
Italy
KINGDOM OF ROMANIA
Current Head of House: Her Royal Highness Princess Crown Princess Margareta, Custodian of the Crown of Romania
For All Royals
Palatal Elisabeta
Sos. Kiseleff 28
011347, Bucuresti 1
Romania
The Palace Post 