Lunar colonies
The Lunar colonies on Earth's moon Luna were, along with Utopia Planitia on Mars and a few asteroid colonies, the first attempts by Humans at colonizing space. One of the earliest settlements, New Berlin, was built between 2063 and 2069. (; )

In the mirror universe the Lunar colonies were bombarded by an  starship sometime before the  of starships came into use. (Opening credits, )

In the 22nd century, Lunar One Colony was the largest of all Lunar colonies. The Orpheus Mining Complex was another settlement on Luna during the 22nd century. ()

By 2373, the population was approximately fifty million. ()

Among the Humans born on the Lunar colonies were Beverly Crusher and Dorian Collins. (; ). People born or living on the Lunar colonies were often called Lunar schooners by Earth-based Humans. ()

See also 
 Mentioned locations on Luna, i.e., potential constituents of the Lunar colonies
 
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ja:ルナ・コロニー
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Colonies