Porto

Here's an ideal itinerary for 3 days in Porto that includes markets:

Day 1:

• Start your day with a visit to the Mercado do Bolhão, one of Porto's most iconic markets. Here, you'll find a wide variety of fresh produce, meats, cheeses, and other local specialties. Take your time to explore the different stalls and chat with the vendors.
• After the market, head to the historic center of Porto and visit the Sé Cathedral, a stunning Romanesque cathedral that dates back to the 12th century. Take in the beautiful views of the city from the cathedral's terrace.
• For lunch, head to Ribeira, a picturesque neighborhood located on the banks of the Douro River. Here, you'll find plenty of restaurants serving traditional Portuguese cuisine. Try the francesinha, a hearty sandwich that's a local specialty.
• In the afternoon, take a stroll along the riverfront and admire the colorful buildings and boats. You can also take a boat tour of the Douro River to see the city from a different perspective.
• End your day with a visit to the Livraria Lello, a beautiful bookstore that's said to have inspired J.K. Rowling's Harry Potter series. The bookstore is known for its stunning Art Nouveau architecture and impressive collection of books.

Day 2:

• Start your day with a visit to the Mercado do Bom Sucesso, a modern market that's popular with locals. Here, you'll find a wide variety of food stalls, as well as shops selling clothing, accessories, and other items.
• After the market, head to the Casa da Música, a stunning concert hall that's known for its contemporary architecture. Take a guided tour of the building to learn more about its history and design.
• For lunch, head to the nearby neighborhood of Boavista and try the famous francesinha at Café Santiago, a local institution.
• In the afternoon, visit the Serralves Museum, a contemporary art museum that's located in a beautiful park. Take a stroll through the park and admire the sculptures and gardens.
• End your day with a visit to the Clérigos Tower, a beautiful Baroque tower that offers stunning views of the city. Climb to the top of the tower for panoramic views of Porto.

Day 3:

• Start your day with a visit to the Mercado de Matosinhos, a fish market located in the coastal town of Matosinhos. Here, you'll find a wide variety of fresh seafood, including octopus, squid, and sardines.
• After the market, head to the beach and spend some time soaking up the sun and enjoying the ocean views. You can also try some of the local seafood at one of the beachside restaurants.
• For lunch, head back to Porto and try the famous francesinha at Café Majestic, a historic café that's been serving customers since 1921.
• In the afternoon, visit the Palácio da Bolsa, a beautiful neoclassical building that's home to the Porto Stock Exchange. Take a guided tour of the building to see the stunning interiors and learn more about its history.
• End your day with a visit to the Vila Nova de Gaia, a neighborhood located across the Douro River from Porto. Here, you'll find many of the city's famous port wine cellars, where you can take a tour and sample some of the local wines.