Megalopolis (Greek: large city, great city) can mean:

• The town of Megalópoli (Μεγαλοπολη), Megalopolis, Greece.
• Tokyo is referred to as Megalopolis
• megalopolis or megacity, is defined as an extensively large metropolitan area, or a long chain of continuous metropolitan areas.
• Doomed Megapolis is a work of fiction about the destruction of Tokyo.

Ballungsgebiet | Megalopolis