Madrid is a beautiful city with so much to see and do. Here's an ideal itinerary for 4 days in Madrid:

Day 1:

• Start your day by visiting the Royal Palace of Madrid, which is one of the most iconic landmarks in the city. You can take a guided tour or explore on your own.
• After that, head to the nearby Sabatini Gardens, which are located right next to the palace. These gardens offer stunning views of the palace and are a great place to relax and unwind.
• For lunch, head to Mercado de San Miguel, which is a popular food market in Madrid. Here, you can try some of the best Spanish cuisine, including tapas, paella, and more.
• In the afternoon, visit the Prado Museum, which is one of the most famous art museums in the world. The museum houses an impressive collection of European art, including works by Goya, Velázquez, and El Greco.
• End your day by taking a stroll through Retiro Park, which is a beautiful park located in the heart of Madrid. Here, you can enjoy the scenery, rent a boat, or simply relax.

Day 2:

• Start your day by visiting the Puerta del Sol, which is one of the most famous squares in Madrid. This square is home to the clock tower, which is a popular meeting spot for locals and tourists alike.
• After that, head to the nearby Plaza Mayor, which is another iconic square in Madrid. Here, you can admire the architecture and enjoy a cup of coffee at one of the many cafes.
• For lunch, head to La Latina, which is a trendy neighborhood in Madrid known for its tapas bars and restaurants.
• In the afternoon, visit the Reina Sofia Museum, which is another famous art museum in Madrid. The museum houses an impressive collection of modern and contemporary art, including works by Picasso and Dalí.
• End your day by taking a walk through the Malasaña neighborhood, which is known for its vibrant nightlife and street art.

Day 3:

• Start your day by visiting the Temple of Debod, which is an ancient Egyptian temple located in Madrid. This temple was gifted to Spain by Egypt and is a unique attraction in the city.
• After that, head to the Gran Vía, which is one of the most famous streets in Madrid. Here, you can shop at some of the best stores in the city or simply admire the architecture.
• For lunch, head to Chueca, which is a trendy neighborhood in Madrid known for its restaurants and cafes.
• In the afternoon, visit the Thyssen-Bornemisza Museum, which is another famous art museum in Madrid. The museum houses an impressive collection of European art, including works by Van Gogh and Monet.
• End your day by taking a stroll through the Lavapiés neighborhood, which is known for its multicultural vibe and street art.

Day 4:

• Start your day by visiting the Santiago Bernabéu Stadium, which is home to the Real Madrid football team. You can take a guided tour of the stadium and learn about the history of the team.
• After that, head to the nearby Plaza de Castilla, which is a modern square in Madrid. Here, you can admire the skyscrapers and enjoy the views.
• For lunch, head to Salamanca, which is a posh neighborhood in Madrid known for its high-end restaurants and shops.
• In the afternoon, visit the CaixaForum Madrid, which is a cultural center in Madrid. The center hosts exhibitions, concerts, and other events throughout the year.
• End your day by taking a walk through the Barrio de las Letras neighborhood, which is known for its literary history and charming streets.