Block B is an sublocality in Sigma 1 Greater Noida, Greater Noida, Gautam Buddh Nagar District, Uttar Pradesh, India. RHO 2 (1.9 Km), RHO I (2.12 Km), Sector 31 (2.45 Km), Omicron 1A Greater Noida (2.56 Km), Omicron II Greater Noida (2.92 Km) are the nearby areas to Block B. Greater Noida, Eachachhar are the nearby cities to Block B.