Based on the provided source material, there is no information regarding a city named Jaha in Indonesia. The name Jaha is identified as a surname associated with several notable historical and contemporary figures.
Notable individuals bearing the surname include Cyril VIII Jaha (1840–1916), who was a Syrian clergyman; John Jaha, an American baseball player; and Sali Jaha (1803–1883), who served as an Albanian military and freedom fighter.