An oppidum is a large fortified Iron Age settlement. Oppida are associated with the Celtic late La Tène culture, emerging during the 2nd and 1st centuries BC, spread across Europe, stretching from Britain and Iberia in the west to the edge of the Hungarian plain in the east.

What is meaning oppidum?

: an ancient Roman provincial town lacking self-government especially : one having walls and fortifications and serving as a provincial strong point.

Where is oppidum located?

The Oppidum of Manching (German: Oppidum von Manching) was a large Celtic proto-urban or city-like settlement at modern-day Manching, near Ingolstadt, in Bavaria, Germany. The settlement was founded in the 3rd century BC and existed until c. 50-30 BC.