Noida short for the New Okhla Industrial Development Authority, is an area in India under the management of the New Okhla Industrial Development Authority (also called NOIDA). Noida came into administrative existence on 17 April 1976 and celebrates 17 April as "Noida Day". It was set up as part of an urbanization thrust during the controversial Emergency period (1975–1977). The city was created under the UP Industrial Area Development Act. It is also the location of the Noida Film City.
Noida is located in Gautam Buddh Nagar district of Uttar Pradesh state. The district's administrative headquarters are in the nearby town of Greater Noida. However, the district's highest government official, the District Magistrate (DM), resides in Noida. The city is a part of the Noida Vidhan Sabha (state assembly) constituency and Gautam Buddh Nagar Lok Sabha (parliamentary) constituency.
Noida was renamed to Gautam Buddh Nagar in 1997. Noida stands at 17th place when it comes to cleanliness of a city in India; by comparison, Gurgaon and Faridabad in the National Capital Regionstand at 87th and 237 respectively.