Ghaziabad and Gautam Buddh Nagar were two districts with the lowest voter turnout in the first phase of assembly elections in Uttar Pradesh that concluded on Thursday, with Noida seat having just 50.1 per cent electors at polls, according to officials. The state's average voter turnout was recorded at 60.17 per cent, while the average in Ghaziabad stood at 54.77 per cent and in Gautam Buddh Nagar at 56.73 per cent, the Election Commission said.