• Megacity
  Megacity
  A megacity is usually defined as a metropolitan area with a total population in excess of 10 million people. Some definitions also set a minimum level for population density . A megacity can be a single metropolitan area or two or more metropolitan areas that converge. The terms conurbation,...
  
   is a recognized metropolitan area with a total population in excess of 10 million people.
• Mega City (The Matrix)
  Mega City (The Matrix)
  Mega City is an enormous virtual megacity in which the inhabitants of the Matrix live their lives in the Matrix series. The City is a conglomeration of many cities, fused into one large city with a gigantic downtown and an impressive skyline....
  
  , or simply "The City", is the virtual city created within the reality of the Matrix series
• Mega-City One
  Mega-City One
  Mega-City One is a huge fictional city-state covering much of what is now the Eastern United States in the Judge Dredd comic book series. The exact boundaries of the city depend on which artist has drawn the story...
  
   and Mega-City Two
  Mega-City Two
  Mega-City Two is a huge fictional city covering five thousand square miles of the Californian West Coast in the Judge Dredd comic book series....
  
  , from the Judge Dredd comic book series
• Mega City Four
  Mega City Four
  Mega City Four were an English indie/pop punk band who were popular in the UK in the late 1980s and early 1990s.Mega City Four consisted of guitarist/vocalist Wiz, his brother and rhythm guitarist/vocalist Danny Brown, bassist/vocalist Gerry Bryant and drummer Chris Jones...
  
  , a British pop-grunge/crusty band from the late 1980s
• Mega City Comics (bookshop), comic book store based in Camden Town, London
• In Canada, the term often refers to the merger of municipalities and their governments.

Vehicles

• Mega City (car), electric car made by French automobile manufacturer Aixam-Mega.
• BMW Mega City Vehicle (MCV) is a concept
  Concept car
  A concept vehicle or show vehicle is a car made to showcase new styling and or new technology. They are often shown at motor shows to gauge customer reaction to new and radical designs which may or may not have a chance of being produced....
  
   urban electric car
  Electric car
  An electric car is an automobile which is propelled by electric motor, using electrical energy stored in batteries or another energy storage device. Electric cars were popular in the late-19th century and early 20th century, until advances in internal combustion engine technology and mass...
  
  , later renamed MW i3}} and slated for market launch in 2013.