Spanish Basque Country

Here's an ideal itinerary for 3 days in Spanish Basque Country that meets all your constraints:

Day 1:

• Start your day with a delicious breakfast at one of the many cafes in Bilbao, the largest city in Basque Country.
• Take a stroll through the city's old town, known as Casco Viejo, and explore its narrow streets and charming architecture.
• Visit the iconic Guggenheim Museum, which houses a stunning collection of contemporary art.
• After lunch, take a bus to the coastal town of Getxo, where you can relax by the pool at the Hotel Embarcadero.
• In the evening, head to one of the many pintxos bars in Getxo and sample some of the region's famous small plates.

Day 2:

• Take a morning bus to San Sebastian, a picturesque coastal town known for its beautiful beaches and world-class cuisine.
• Spend the morning swimming and sunbathing at La Concha Beach, one of the most popular beaches in Europe.
• For lunch, head to one of the many Michelin-starred restaurants in San Sebastian, such as Arzak or Mugaritz.
• In the afternoon, take a stroll through the city's old town and visit the Basilica of Santa Maria del Coro.
• In the evening, head to the lively Gros neighborhood and enjoy some drinks and live music at one of the many bars.

Day 3:

• Take a morning bus to the charming town of Hondarribia, located on the French border.
• Spend the morning swimming at Hondarribia Beach, which offers stunning views of the Pyrenees mountains.
• For lunch, head to one of the many seafood restaurants in the town's old quarter, such as Laia or Gran Sol.
• In the afternoon, take a walk along the town's medieval walls and visit the Castle of Charles V.
• In the evening, take a bus back to Bilbao and enjoy a final dinner at one of the city's many excellent restaurants, such as Etxanobe or Nerua.