Sern Prime/Legends

Sern Prime was a planet located in the Sern Sector, in relative proximity to the world of Ghorman. Sern Prime was located in the Colonies region.

During the Clone Wars, Senator Fang Zar represented his homeworld of Sern Prime in the Galactic Senate. He wore his hair in a style known as a Sern Prime topknot.

Source

 * Revenge of the Sith Visual Dictionary