![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Map_Gallia_Tribes_Towns.png/640px-Map_Gallia_Tribes_Towns.png&w=640&q=50)
Osismii
Gallic tribe / From Wikipedia, the free encyclopedia
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The Osismii, Ossismii, or Ostimii (also Ossismi, Osismi) were a Gallic tribe dwelling in the western part of the Armorican Peninsula (modern Brittany) during the Iron Age and the Roman period.
Map of Gaul with tribes, 1st century BC; the Osismii are circled.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Coins_of_the_Osismii.jpg/640px-Coins_of_the_Osismii.jpg)