Vigan is a historic city located in the Ilocos Region of Luzon, Philippines. It is known for its well-preserved Spanish colonial architecture, making it a UNESCO World Heritage Site. The city's charm lies in its cobblestone streets, ancestral houses, and horse-drawn carriages, which give visitors a glimpse into the Philippines' colonial past. Vigan's architecture reflects a fusion of Filipino, Chinese, and European influences. The ancestral houses, known as "bahay na bato," are made of stone and wood, with intricate carvings and colorful facades. These houses have been converted into museums, shops, and restaurants, offering a unique experience for tourists.