Austonia Estate is an sublocality in Sigma IV Greater Noida, Greater Noida, Gautam Buddh Nagar District, Uttar Pradesh, India. Sigma IV Greater Noida (0.0 Km), Omicron 1A Greater Noida (1.62 Km), XU III (1.97 Km), RHO 2 (2.45 Km), Omicron II Greater Noida (2.74 Km) are the nearby areas to Austonia Estate. Greater Noida, Eachachhar are the nearby cities to Austonia Estate.