Palace Square, also known as Place du Palais, is located in the heart of Monaco, a sovereign city-state on the French Riviera. This iconic square is situated in the old town of Monaco-Ville, right in front of the Prince's Palace, the official residence of the ruling Prince of Monaco.

History:
Palace Square has a rich historical significance. It has been a central gathering place for locals and tourists alike for centuries. The square dates back to the 13th century when the Genoese built a fortress on the site, which eventually became the Prince's Palace. Over the years, the square has witnessed numerous important events, such as the changing of the guard ceremony and various royal celebrations.

Things to do and see:
1. Prince's Palace: The focal point of Palace Square is the Prince's Palace. Visitors can witness the changing of the guard ceremony, which takes place daily at 11:55 a.m. It is a colorful and traditional event that draws many spectators.

2. Oceanographic Museum: Located nearby, the Oceanographic Museum is a must-visit attraction. It showcases an impressive collection of marine life, including aquariums, exhibitions, and educational displays. The museum offers breathtaking views of the Mediterranean Sea.

3. Saint Nicholas Cathedral: Just a short walk from Palace Square, you'll find the Saint Nicholas Cathedral, where many members of the Monaco royal family are buried, including Princess Grace. The cathedral's stunning architecture and interior are worth exploring.

Tips for visitors:
1. Visit during the day: Palace Square is best enjoyed during daylight hours when you can witness the changing of the guard ceremony and explore the surrounding attractions.

2. Wear comfortable shoes: Monaco-Ville is built on a steep hill, so be prepared for some uphill walking. Comfortable shoes are essential for exploring the area.

3. Be respectful: Palace Square is a symbol of Monaco's monarchy and heritage. Remember to be respectful when visiting, especially during the changing of the guard ceremony.

4. Capture the view: Palace Square offers stunning panoramic views of the Mediterranean Sea and the surrounding cityscape. Don't forget your camera to capture these picturesque moments.

5. Explore the narrow streets: Take some time to wander through the charming narrow streets of Monaco-Ville surrounding Palace Square. You'll find quaint shops, cafes, and beautiful architecture.

Palace Square in Monaco is a historic and picturesque destination that offers a glimpse into the principality's rich history and royal traditions. Whether you're interested in architectural marvels or simply want to soak up the atmosphere, this square is a must-visit for any traveler in Monaco.