Casco Viejo is the historic district of Panama City, known for its charming colonial architecture and vibrant streets. Established in the 17th century, it features colorful buildings, plazas, and a mix of cultures, reflecting the city's rich history. The area is a UNESCO World Heritage Site, attracting tourists with its cafes, shops, and landmarks like the Metropolitan Cathedral and Plaza de Francia. Casco Viejo serves as a cultural hub, showcasing art galleries and local events, making it a popular destination for both locals and visitors.