Mazu is known as the Voyage Goddess among the common people in East Asia and Southeast Asia today. Though the Mazu belief was initially confined to the coastal areas in Southern China, especially in Fujian Province or Guangdong Province due to the strong association with voyages, the sphere of the belief expanded since it was gradually thought to be beneficial to other things but voyage. Mazu was embraced by Tenpi in the Qing Era and Tengo in the Yuan Era, and “Tenpi Temples” and “Tengo Temples” honoring Mazu were widespread and diffused not only to the coastal areas in southern China but also to East Asia and Southeast Asia. When the Mazu belief was introduced to modern Japan, it was connected with the belief of Funatama (the guardian deity of ships) and spread. In this report, the Mazu (Tenpi) belief, which gradually changed with the development, diffusion and spread of the belief, is considered from the viewpoint of historical geography.