Napels

Sure, here's an ideal itinerary for 3 days in Naples that meets your constraints:

Day 1:

• Start your day with a visit to the historic center of Naples. This area is a UNESCO World Heritage Site and is home to many beautiful buildings and landmarks such as the Piazza del Plebiscito, the Royal Palace of Naples, and the Castel dell'Ovo.
• After exploring the historic center, head to the waterfront and take a stroll along the Lungomare promenade. You can enjoy stunning views of the Bay of Naples and Mount Vesuvius from here.
• For lunch, try some authentic Neapolitan pizza at one of the city's famous pizzerias such as L'Antica Pizzeria da Michele or Sorbillo.
• In the afternoon, take a trip to the nearby ruins of Pompeii. This ancient Roman city was destroyed by the eruption of Mount Vesuvius in 79 AD and is now a fascinating archaeological site.

Day 2:

• Start your day with a visit to the Naples National Archaeological Museum. This museum houses an impressive collection of artifacts from Pompeii and other ancient sites around Naples.
• Next, head to the Catacombs of San Gennaro. These underground tombs are a unique and eerie sight to see.
• For lunch, try some traditional Neapolitan street food such as fried pizza or arancini.
• In the afternoon, take a trip to the nearby town of Sorrento. This charming coastal town is known for its lemon groves and stunning views of the sea.

Day 3:

• Start your day with a visit to the Castel Sant'Elmo. This medieval fortress offers panoramic views of the city and the bay.
• Next, head to the Naples Botanical Garden. This peaceful oasis is home to a wide variety of plants and flowers from around the world.
• For lunch, try some seafood at one of the city's many seafood restaurants such as Trattoria da Nennella or Osteria del Mare.
• In the afternoon, take a trip to the nearby island of Capri. This picturesque island is known for its stunning blue waters and beautiful scenery.

I hope this itinerary helps you plan your trip to Naples!