Bilbao is a beautiful city in the Basque Country of Spain, known for its stunning architecture, delicious food, and rich culture. Here's an ideal itinerary for 2 days in Bilbao:

Day 1:

• Start your day with a visit to the Guggenheim Museum, one of the most iconic landmarks in Bilbao. The museum is known for its unique architecture and impressive collection of contemporary art.
• After exploring the museum, head to the Casco Viejo (Old Town) neighborhood for lunch. This area is full of charming streets, historic buildings, and delicious pintxos (Basque tapas).
• In the afternoon, take a stroll along the riverfront and enjoy the views of the city. You can also visit the Zubizuri Bridge, a pedestrian bridge designed by Santiago Calatrava.
• For dinner, head to one of the many Michelin-starred restaurants in Bilbao, such as Azurmendi or Etxanobe.

Day 2:

• Start your day with a visit to the Mercado de la Ribera, one of the largest indoor markets in Europe. Here, you can sample local cheeses, meats, and other delicacies.
• After the market, take a funicular up to the top of Mount Artxanda for panoramic views of the city. You can also visit the Basilica of Our Lady of Begoña, a beautiful church located on the mountain.
• In the afternoon, visit the Bilbao Fine Arts Museum, which has an impressive collection of Spanish and Basque art.
• For dinner, head back to the Casco Viejo neighborhood and try some more pintxos at one of the many bars and restaurants in the area.

Overall, Bilbao is a wonderful city to explore and there's plenty to see and do in just 2 days. Enjoy your trip!