You then need to factor in the day trips you would like to make, such as Toledo, Segovia or Cuenca, and add nights accordingly. For Madrid, if you want to visit the museums I feel 4 full days is sufficient to see the main sights and get a feel for the city. For Sevilla, 3 full days should be sufficient.
Is Seville Spain worth visiting?
Seville is a beautiful and vibrant city in Spain with many wonderful places to visit. Some of the nicest parts of Seville include: Santa Cruz: This historic neighborhood is located in the heart of Seville and is known for its charming narrow streets, beautiful squares, and traditional architecture.