Answer:
Megalopolis
Explanation:
A megalopolis is usually defined as an extensively enormous and thickly populated city or it can also be a group of large towns that unites and gives rise to the formation of a large urban complex area. The alternate name for Megalopolis is Supercity. It can simply be referred to as a group of metropolitan cities. For example, Florida, Great Lake.
The urban areas that are interlinked from Boston city to Washington, DC, are commonly considered as Megalopolis.
