What is "gratianopolis"

Gratianopolis was a Roman city in the province Mauretania Caesariensis in the Maghreb, one of several (re)named after the emperor Gratian.

It is only known from mentions in church council minutes. Its history, location and present condition are unknown.

Gratianopolis ("city of Gratian") may refer to:

• Gratianopolis (Mauretania Caesariensis), a Roman city in North Africa
• Gratianopolis (antique city), a Roman city (formerly Cularo and now Grenoble, France)
• Gratini, Gratianoupolis, or Gratianou, a city in Thrace