Kosala in the Mahabharata: The Ancient Kingdom of Ayodhya and the Sarayu
The Mahabharata-era ruler most clearly associated with Kosala is King Brihadbala — Vrihadvala in some translations. He was defeated by Bhima during the Pandavas’ campaigns before the Rajasuya, but later fought on the side of Duryodhana in the Kurukshetra War.