Prince's Palace of Monaco

The Prince's Palace of Monaco occupies the highest point of Le Rocher — the limestone rock that juts into the Mediterranean at the western end of Monaco — and has done so as a functioning seat of government without interruption for more than seven hundred years. It is the oldest continuously active royal residence in the world and the seat of the oldest ruling family in Europe. Both of those distinctions trace back to a single act of improvised cunning on a January night in 1297.

The rock had been fortified since 1215, when a Genoese garrison built the original fortress: four towers connected by an 8-metre curtain wall on the highest defensible point of the coastline between Genoa and Nice. The position was strategic — whoever controlled Le Rocher controlled a stretch of Mediterranean coastline that every trader, fleet, and army needed to pass. The Genoese built it as a military installation, not as a residence, and it passed through several Ligurian hands before the night that changed its ownership permanently.

On January 8, 1297, François Grimaldi — a member of a Genoese Guelph family temporarily expelled from Genoa in a factional political dispute — arrived at the fortress gate in the habit of a Franciscan monk, accompanied by a small party of armed men hidden nearby. He asked for shelter, was admitted, and promptly let his men in through the gate he now controlled. The garrison was overwhelmed and the rock was in Grimaldi hands by morning. François's nickname was 'la Malizia' — the Cunning. The armored-monk statue outside the palace entrance commemorates him; the two monks still visible in the Grimaldi coat of arms are a permanent heraldic acknowledgment of the dynasty's founding ruse.

What François took by deception, his descendants held by politics, marriage, and intermittent military force across seven centuries. The Grimaldis governed Monaco as feudal lords under Genoese, then French, then Spanish suzerainty, acquiring increasing degrees of autonomy through negotiation with each successive protecting power. Full sovereignty came in stages across the 17th and 18th centuries. The Treaty of Peronne (1641) established French protection while recognizing Grimaldi sovereignty. Napoleon's annexation of Monaco (1793–1814) was the dynasty's most serious interruption — two decades of French control — but the Grimaldis returned at the Restoration and have governed continuously since. Today Monaco is a constitutional monarchy with a population of approximately 40,000, the world's most densely populated sovereign state, ruled by the 32nd Lord in direct line from François: Prince Albert II, who succeeded his father Rainier III in 2005.

The fortress itself only became a palace gradually. The original military structure — useful for repelling attackers, entirely unsuitable for court life — began its transformation under Honoré I (1522–1581), who added the first residential elements and began the conversion from garrison to residence. The decisive architectural transformation came in the 16th century with the construction of the Cour d'Honneur: an arcaded courtyard in the Genoese-Italian Renaissance style, with double-loggias on two sides and a grand ceremonial staircase in Carrara marble, painted with trompe-l'œil architectural perspectives in the manner of the Ligurian Renaissance. The combination of medieval crenelated towers on the seaward exterior with a Renaissance Italian palazzo courtyard within is the architectural signature of the palace — a duality that honestly represents the building's history.

The State Apartments, open to visitors from late March through mid-October via a self-guided audio tour, cover the formal ceremonial rooms accumulated across four centuries of Grimaldi furnishing. The Throne Room, used for state ceremonies and still equipped with the throne, is decorated with Flemish tapestries commissioned in the 18th century and portraits of successive Grimaldis. The Louis XV Salon preserves gilded boiseries and period furniture from the reign of the prince who brought Monaco definitively under French cultural influence. The York Room carries a historical curiosity: the Duke of York, brother of King George III of Britain, died here in 1767 during a visit to Monaco — a death that required considerable diplomatic finesse to manage without diplomatic incident between Monaco and Britain. The Palatine Chapel, built in the 17th century, contains the tomb of Honoré II and functions as the palace's active place of worship.

The Changing of the Guard takes place at 11:55 every morning in the Place du Palais, regardless of whether the palace interior is open or the season. The Carabiniers du Prince — Monaco's palace guard, founded in 1817, dressed in white summer uniforms with a prominent hat and red-trimmed jackets — perform the ceremony in five minutes of precise choreography in front of the main gate. No ticket is required; the square fills with visitors in high season and empties quickly afterward.

The GYG private day trip from Nice (t847802, from $1,246) is the only GetYourGuide product currently verified as including palace interior entry — it covers the State Apartments, the Prince's Car Collection (a separate museum housing Prince Rainier III's personal vehicle collection including a 1929 Bugatti Type 35, a 1963 Rolls-Royce Silver Cloud, and race cars from the Monte Carlo Rally), a stop in Monte-Carlo at the casino and gardens, and a visit to Èze with its perfume factory. The $1,246 price is for the entire private 9-hour tour from Nice, not for palace entry alone; independent adult admission to the State Apartments is €13.