The Imperial City DLC is free since September 2019. Previously you had to purchase the Imperial City DLC in the Crown Store, but since September 2019 you can claim it for free in the Crown Store.
Is Imperial City free in ESO?
About the Author: Alcast
Alcast is a long-time gamer and specializes in build creation for certain games, especially MMOs. Alcast is most well known for his ESO (The Elder Scrolls Online) content. He has built popular brands like Alcasthq.com, ESO-Hub.com and Gameslantern.com. Favorite game IPs: Halo, XCOM, Total War, Mass Effect, Dragon Age, The Elder Scrolls and Warhammer.