Napoli

Here's an ideal itinerary for 3 days in Napoli for a couple:

Day 1:

• Start your day with a visit to the iconic Piazza del Plebiscito, one of the largest public squares in Italy. Take a stroll around the square and admire the stunning architecture of the Royal Palace and the Basilica of San Francesco di Paola.
• Next, head to the Castel dell'Ovo, a medieval castle located on a small island in the Bay of Naples. Enjoy the panoramic views of the city and the sea from the castle's ramparts.
• For lunch, head to the historic district of Spaccanapoli and try some authentic Neapolitan pizza at one of the many pizzerias in the area.
• In the afternoon, visit the National Archaeological Museum of Naples, which houses an impressive collection of ancient Roman artifacts, including mosaics, sculptures, and frescoes.
• End your day with a romantic walk along the Lungomare, a scenic waterfront promenade that offers stunning views of the Bay of Naples and Mount Vesuvius.

Day 2:

• Start your day with a visit to the Catacombs of San Gennaro, an underground burial site that dates back to the early Christian era. Explore the labyrinthine tunnels and admire the ancient frescoes and mosaics.
• Next, head to the historic district of Quartieri Spagnoli and take a stroll around the narrow streets and alleys. Stop by the Piazza del Mercato and try some local street food, such as arancini or zeppole.
• In the afternoon, visit the Royal Palace of Naples, a magnificent 17th-century palace that was once the residence of the Bourbon kings of Naples. Admire the opulent interiors and the stunning collection of art and furniture.
• End your day with a romantic dinner at one of the many seafood restaurants in the Santa Lucia district, which offers stunning views of the Bay of Naples.

Day 3:

• Start your day with a visit to the ancient city of Pompeii, which was destroyed by the eruption of Mount Vesuvius in 79 AD. Explore the well-preserved ruins and learn about the daily life of the ancient Romans.
• Next, head to the top of Mount Vesuvius and enjoy the panoramic views of the Bay of Naples and the surrounding countryside. Take a guided tour of the volcano and learn about its history and geology.
• In the afternoon, visit the Capodimonte Museum, which houses a stunning collection of art and artifacts, including works by Caravaggio, Titian, and Raphael.
• End your day with a romantic sunset cruise around the Bay of Naples, which offers stunning views of the city and the sea.

I hope this itinerary helps you plan your trip to Napoli! Let me know if you have any other questions or if there's anything else I can help you with.