The decision in this regard was taken at a cabinet meeting chaired by Chief Minister Akhilesh Yadav.
While Chhatrapati Shahuji Maharaj Nagar, formerly known as Amethi, will now be known as Gauriganj, Rambai Nagar will be called Kanpur dehat.
The names of Bheem Nagar, Prabuddha Nagar and Pancheel Nagar have been changed to Bahjoi, Shamli and Hapur respectively, they said.
Similarly names of Kanshiram Nagar, Mahamaya Nagar and JP Nagar have been changed to Kasganj, Hathras and Amroha respectively.
The cabinet also restored the name of King George's Medical University (KGMU), which was changed to Chhatrapati Shahuji Maharaj Medical University in the BSP regime.