Spain is renowned for its diverse and delicious cuisine, from traditional tapas to regional specialties and innovative fine dining. Here are some recommended places to eat across various regions in Spain:

Madrid:

1. Sobrino de Botín: One of the world's oldest restaurants, known for its cochinillo asado (roast suckling pig) and hearty Spanish dishes.

2. Mercado de San Miguel: Historic market offering a variety of tapas, seafood, and gourmet products in a lively atmosphere.

3. Casa Lucio: Famous for its huevos rotos (broken eggs) with jamón ibérico, a signature dish in Madrid.

Barcelona:

1. Tickets: Chef Albert Adrià's tapas bar with creative dishes and playful presentations, offering a modern twist on traditional Spanish flavors.

2. Cal Pep: Popular seafood restaurant known for its fresh, quality ingredients and a lively bar atmosphere.

3. Can Culleretes: Barcelona's oldest restaurant, serving Catalan and Spanish dishes in a historic setting.

Seville:

1. El Rinconcillo: Founded in 1670, it's one of Seville's oldest taverns, serving traditional tapas and local dishes.

2. Enrique Becerra: Renowned for its seafood and Andalusian cuisine, located in the heart of Seville's historic center.

3. Bar Europa: Famous for its montaditos (small sandwiches) and tapas, a favorite spot among locals and visitors alike.

Valencia:

1. La Pepica: Historic beachfront restaurant known for its paella valenciana and seafood dishes.

2. Casa Montana: Popular for its tapas and extensive wine selection, located in Valencia's vibrant El Cabanyal neighborhood.

3. Ricard Camarena Restaurant: Michelin-starred restaurant offering innovative Mediterranean cuisine with local ingredients.

Granada:

1. Bodegas Castañeda: Traditional tavern known for its tapas and Andalusian specialties, located near Granada's Cathedral.

2. Los Diamantes: Famous for its seafood tapas, including fried fish and shellfish, served with a glass of wine or beer.

3. Restaurante Ruta del Veleta: Offers a mix of traditional and contemporary dishes, with a focus on Granada's culinary heritage.

Costa del Sol (Malaga, Marbella, Nerja):

1. El Pimpi: Iconic Malaga tavern known for its traditional tapas and local wines, located in a historic building near the Roman Theatre.

2. Skina: Michelin-starred restaurant in Marbella, offering a creative tasting menu with Mediterranean influences.

3. El Refectorium: Popular for its seafood and traditional Andalusian dishes, located in the heart of Nerja.

Balearic Islands (Mallorca, Ibiza, Menorca):

1. Restaurante Celler Sa Premsa: Traditional Mallorcan restaurant known for its roasted meats and rustic ambiance.

2. El Portalon: Popular tapas bar in Palma de Mallorca, offering a variety of small plates and local specialties.

3. Es Boldado: Cliffside restaurant in Ibiza, offering stunning views of Es Vedrà and Mediterranean cuisine.

Canary Islands (Tenerife, Gran Canaria, Lanzarote):

1. El Calderito de la Abuela: Traditional Canarian restaurant in Tenerife, known for its hearty stews and local dishes.

2. Casa de los Coroneles: Historic mansion and restaurant in La Oliva, Fuerteventura, offering Canarian cuisine in a cultural setting.

3. Restaurante El Diablo: Unique dining experience in Lanzarote's Timanfaya National Park, where food is cooked using volcanic heat.

These restaurants offer a taste of Spain's culinary diversity, from authentic local flavors to innovative interpretations of traditional dishes. Whether you're dining in a historic city, coastal town, or picturesque island, Spain promises a delightful gastronomic experience that reflects its rich culinary heritage and vibrant culture.