Spain is a beautiful country with so much to see and do. Here's an ideal itinerary for 3 days in Spain:

Day 1: Madrid

Start your day with a visit to the Royal Palace of Madrid, one of the most beautiful palaces in Europe. After that, head to the Prado Museum, which houses an impressive collection of European art. For lunch, try some traditional Spanish tapas at Mercado de San Miguel. In the afternoon, take a stroll through the Retiro Park, a beautiful green space in the heart of the city. End your day with a visit to the Puerta del Sol, one of the most famous landmarks in Madrid.

Day 2: Barcelona

Take a morning train to Barcelona, a vibrant city on the Mediterranean coast. Start your day with a visit to the Sagrada Familia, a stunning basilica designed by the famous architect Antoni Gaudi. After that, head to the Gothic Quarter, a charming neighborhood with narrow streets and beautiful architecture. For lunch, try some paella, a traditional Spanish dish, at a local restaurant. In the afternoon, visit Park Guell, another masterpiece by Gaudi, with beautiful gardens and stunning views of the city. End your day with a stroll along the famous La Rambla, a lively pedestrian street with street performers and shops.

Day 3: Seville

Take a morning flight to Seville, a beautiful city in southern Spain. Start your day with a visit to the Alcazar of Seville, a stunning palace with beautiful gardens. After that, head to the Cathedral of Seville, one of the largest cathedrals in the world, with a beautiful bell tower called the Giralda. For lunch, try some delicious tapas at a local restaurant. In the afternoon, take a stroll through the charming Santa Cruz neighborhood, with narrow streets and beautiful architecture. End your day with a flamenco show, a traditional dance and music performance that originated in Andalusia.

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