Gulangyu Island is a small island located off the coast of Xiamen, China. Known for its beautiful beaches and lush greenery, it covers an area of about 2.1 square kilometers. The island is famous for its colonial architecture, with many buildings reflecting European styles from the late 19th and early 20th centuries. The island is car-free, making it a peaceful retreat for visitors. It is also home to the Gulangyu Piano Museum, showcasing the island's rich musical heritage. In 2017, Gulangyu Island was designated a UNESCO World Heritage Site, recognizing its cultural significance and historical value.