U Block is an neighbourhood in Railway Colony, Balmikinagar, Lucknow, Lucknow District, Uttar Pradesh, India. Mahanagar (2.75 Km), Hazratganj (3.19 Km), Lalbagh (4.3 Km), Daliganj (4.61 Km), Vikas Nagar (5.35 Km) are the nearby areas to U Block. Lucknow, Ujariyaon are the nearby cities to U Block.