title: Portus Magnus
text: # Portus Magnus
  
  A number of Roman ports were known as portus magnus ("grand port") :
  
  * Portus Magnus, Spain: modern Almería
  * Portus Magnus, Algeria: modern Bethioua
  * Portus Magnus, Egypt: modern Alexandria
  * Portus Magnus (Mauretania), in the Roman province of Mauretania Caesariensis
  * Magnus Portus: modern Bosham, near Chichester, England
  