Before 2025, Daman and Diu were a union territory. In 2025, they are a part of a union territory along with Dadra and Nagar Haveli. This new union territory is called Dadra and Nagar Haveli, and Daman and Diu. These four areas along with Goa had a heavy Portuguese presence before India’s independence. The Portuguese ruled these lands for almost 400 years.