Monarchy of Monaco
| Sovereign Prince of Monaco | |
|---|---|
| Incumbent | |
| Albert II since 6 April 2005 | |
| Details | |
| Style | His Serene Highness |
| Heir apparent | Jacques |
| First monarch | Honoré II (as prince; previous rulers were called lords until 1612) |
| Formation | 29 November 1604 |
| Residence | Prince's Palace |
| Website | Monarchy of Monaco |
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The sovereign prince of Monaco (French: prince de Monaco) is the monarch and head of state of the Principality of Monaco. All reigning princes and princesses have taken the name of the House of Grimaldi. When Prince Rainier III died in 2005, he was Europe's longest reigning monarch. The Grimaldi family, which has ruled Monaco for eight centuries, is Europe's longest-ruling royal family.
The reigning prince is Albert II, who ascended in April 2005.