- Ayawasi is a fictional city and there is limited information about it. It is mentioned in a role-playing game called "Call of Cthulhu" by Chaosium Inc. Ayawasi is described as an isolated city located deep within the jungles of Peru. It serves as a base for expeditions to explore the nearby ancient ruins and artifacts. The city is said to be surrounded by dense forests and inhabited by native tribes. However, beyond these details, there is not much information available about Ayawasi.