Spain

• Capital: Madrid
• Official language(s): Spanish (Castilian), Catalan, Basque, Galician, and more
• Area: Approximately 505,990 square kilometers
• Time zone: Central European Time (CET, UTC+1), in the summer, Central European Summer Time (CEST, UTC+2)
• Currency: Euro (EUR)
• Flag colors: Red and yellow with the Spanish coat of arms
• Population: Approximately 47 million (figures may vary)
• National holiday: National Day (Día de la Hispanidad) on October 12
• National anthem: "La Marcha Real" (The Royal March)
• Government type: Constitutional monarchy, parliamentary democracy
• Climate: Spain has a diverse climate, ranging from Mediterranean along the coast to continental and mountain climates inland.
• Economy: Spain has one of the largest economies in Europe and is known for sectors such as tourism, agriculture, industry, and technology.
• Culture: Spanish culture is rich in traditions, art, music, and dance, with famous contributions such as flamenco and paintings by artists like Picasso and Dalí.
• Key natural features: Spain has various natural features, including the Pyrenees, the Spanish coasts, the Canary Islands, and the Balearic Islands.

The 10 largest cities in Spain include:

1. Madrid
2. Barcelona
3. Valencia
4. Seville
5. Zaragoza
6. Málaga
7. Murcia
8. Palma de Mallorca
9. Las Palmas de Gran Canaria
10. Bilbao

The 10 top tourist attractions in Spain include:

1. La Sagrada Familia in Barcelona
2. The Alhambra in Granada
3. Park Güell in Barcelona
4. The Prado Museum in Madrid
5. Seville Cathedral
6. The Royal Alcázar of Seville
7. Retiro Park in Madrid
8. Ibiza and the surrounding islands
9. The Alcázar of Toledo
10. The Costa del Sol coastline

This is a concise overview of Spain and some of its key features. However, Spain has much more to offer in terms of history, art, natural beauty, and culinary traditions.