Mohali is a city in the Sahibzada Ajit Singh Nagar district, Punjab, India. It is the headquarters of Sahibzada Ajit Singh Nagar district. It was officially named after Sahibzada Ajit Singh as SAS Nagar ("The City of Sahibzada Ajit Singh"). He was the eldest son of Guru Gobind Singh. It is still known popularly as 'Mohali'.