Ilocos Sur is a province located in the Ilocos Region of the Philippines, specifically in the northwestern part of Luzon Island. It is known for its rich history, preserved colonial architecture, and scenic landscapes. Here are some highlights of Ilocos Sur: Vigan City: The capital of Ilocos Sur and a UNESCO World Heritage Site, Vigan City is renowned for its well-preserved Spanish colonial architecture. Calle Crisologo, a cobblestone street lined with ancestral houses, is a popular tourist attraction. You can explore the city on a calesa (horse-drawn carriage) and visit historical landmarks such as the St. Paul Metropolitan Cathedral and the Syquia Mansion. Bantay Church and Bell Tower: Located in the town of Bantay near Vigan City, the Bantay Church is an imposing red-brick church built in the 16th century. Its bell tower, known as the Bantay Bell Tower, offers panoramic views of the surrounding countryside. Santa Maria Church: Another UNESCO World Heritage Site, the San