King Sahales is considered as the most popular King of Mithila after King Janak. His real name was Raja Jayavardhan Sailesh. Mahisautha, present day Siraha Madar is his birth place.
In Siraha district, there are remains of Karnataka period. There are many historical places in this district related with him. He is still worshiped as a god by the Dusadh community of Terai.
Sahales Phulbari is a religious and historical place of Siraha district. The flower garden spread over about nine bighas is famous as the flower garden of Sahales, the deity of Dusadh and Danuwar caste.