Dadra and Nagar Haveli and Daman and Diu, (DNHDD); is a union territory in western India. It was created through the merger of the erstwhile union territories of Dadra and Nagar Haveli and Daman and Diu. Plans for the proposed merger were announced by the Government of India in July 2019. The necessary legislation was passed in the Parliament of India in December 2019 and came into effect on 26 January 2020.