Diocletianopolis

Diocletianopolis or Diokletianoupolis (Διοκλητιανούπολις) may refer to a number of places in the ancient world named after Emperor Diocletian.

• Diocletianopolis (Palestine), in modern Israel
• Diocletianopolis (Thebais), in modern Egypt
• Diocletianopolis (Thrace), in modern Bulgaria
• Diocletianopolis (Kastoria) in Greece
• Diocletianopolis (Pella) in Greece