Proper noun
Kosala
An ancient Indian kingdom, corresponding roughly in area with the region of Awadh.
After Rama and Sita have been married for twelve years, an elderly Dasharatha expresses his desire to crown Rama, to which the Kosala assembly and his subjects express their support. Source: Internet
These four were Vatsa, Avanti, Kosala, and Magadha. Source: Internet
Legacy further Tradition The Ayodhya of Ramayana was the capital of the Hindu kingdom Kosala and described as covering an area of convert. Source: Internet