A city in Holay
- It lies at the confluence of the Osliran River and the Jader River
- Its population is 3,000
- Named as Yantastos in the Annotated Argrath's Saga whereas the Ur-Argrath’s Saga mentions Bostok
- In the Hero Wars, it resisted an Imperial Lunar army.
- It was said to have been levelled overnight, everybody killed and half of them eaten.
Source: Guide to Glorantha