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Messad (sometimes Messaad) is a town in Algeria. It was the Roman Castellum Dimmidi.

Commune and town
Messad is located in Algeria
Coordinates: 34°10′0″N 3°30′0″E / 34.16667°N 3.50000°E / 34.16667; 3.50000Coordinates: 34°10′0″N 3°30′0″E / 34.16667°N 3.50000°E / 34.16667; 3.50000
Country Algeria
ProvinceDjelfa Province
 (2008 Census)[1]
 • Total97,091
Time zoneUTC+1 (West Africa Time)


It is about 290 km (180 mi) south of Algiers. During the Roman period it was known as Castellum Dimmidi after the Romans under emperor Septimius Severus seized the settlement.[2] It is unclear if the second part of the name, Dimmidi, was a native name transliterated into Latin, or a new name given by the Romans.

As the Castellum (castle) implies, the settlement was a fortress along the Limes Tripolitanus, the southern border of the province of Numidia. It was a prosperous village and hosted a Roman garrison from roughly 198 to 240 AD.[3]

Messaad has a population of nearly 120,000 inhabitants.

See alsoEdit


  1. ^ "World Cities with 110,000 to 125,000 people in 2005", URL last accessed on 8 May 2006.
  2. ^ Francois Decret, Early Christianity in North Africa (James Clarke & Co, 2011) p. 6
  3. ^ (in French) Dr. Rebound, "Notes Archéologiques sur les Ruines de Djelfa", URL last accessed on 8 May 2006. Archived 27 September 2005 at the Wayback Machine