Hanuman was born on the Benaras. His mom Anjana was an apsara who was born on earth on account of a curse. She was redeemed from this curse on offering delivery to a son. The Valmiki Ramayana states that his father Kesari was the son of Rahu and was he was the King of a place named Sumeru. According to https://hanumanmandiradelaide.com.au/hanuman-chalisa-lyrics-in-hindi/