Gautam Buddha Nagar district is a district of Uttar Pradesh, named after Gautama Buddha. It is a part of Delhi NCR and is divided into 4 sub-divisions i.e. Noida, Greater Noida, Dadri and Jewar. Greater Noida is the administrative headquarters of Gautam Buddha Nagar district. Noida, Greater Noida, Dadri, Jewar and Dankaur falls under this district. From Wikipedia
