Cartagena, Colombia, is a picturesque city on the northern coast of the country, known for its well-preserved colonial architecture, vibrant culture, and coastal beauty. Here are some key features and attractions of Cartagena, Colombia:

1. Old Town (Ciudad Amurallada): A UNESCO World Heritage site, the Old Town is surrounded by well-preserved colonial walls and features colorful buildings, cobblestone streets, and charming plazas.
2. Cartagena’s Walls: The city’s historic defensive walls were built during the colonial period to protect against pirate attacks. They offer great views of the city and the sea.
3. San Felipe de Barajas Castle: A massive fortress built on a hill, offering panoramic views of the city. It played a crucial role in defending Cartagena from attacks.
4. Getsemaní: A vibrant and bohemian neighborhood just outside the Old Town, known for its street art, lively nightlife, and cultural events.
5. Bocagrande: Cartagena’s modern area, characterized by high-rise hotels, upscale shops, and a popular beach. It’s a hub for tourism and entertainment.
6. Plaza Santo Domingo: A lively square in the heart of the Old Town, surrounded by restaurants, cafes, and the iconic church of Santo Domingo.
7. Cartagena Cathedral: Located in the Old Town, this cathedral is a prominent example of Spanish colonial architecture and an important religious site.
8. Las Bóvedas: A series of 23 vaults that were originally used as dungeons and storage, now transformed into artisan shops selling local crafts, jewelry, and souvenirs.
9. Rosario Islands: A group of islands and coral reefs located off the coast of Cartagena, offering white-sand beaches, crystal-clear waters, and various water activities.
10. Convento de la Popa: A historic convent located on the highest point in Cartagena, providing panoramic views of the city and the sea.

Cartagena is also known for its lively street life, delicious Caribbean cuisine, and vibrant festivals, making it a popular destination for tourists seeking a mix of history, culture, and beach relaxation.