
(from the article `Europe, history of`) ...by the oppida of western, central, and eastern Europe. These were often densely populated enclosed sites, which housed full-time specialists, such ...
Found on
http://www.britannica.com/eb/a-z/m/24

Large Celtic oppidum (fortified settlement) of the Vindelici tribe, 8 km/5 mi southeast of Ingolstadt, Bavaria. This Iron Age settlement has a defensive wall 7 km/4 mi long, probably built about 100...
Found on
http://www.encyclo.co.uk/local/20688
No exact match found.