District Seven
District Seven was an urban region on M'talas Prime. In the early 25th century, it was the location of a center for Starfleet Recruitment.
Sneed and Krinn grew up together as scavengers in District Seven. (PIC: "Imposters")
In 2401, Commander Raffi Musiker discovered a terrorist plot targeting the Starfleet facility in District Seven, using experimental quantum tunneling technology stolen from Daystrom Station. However, she was unable to warn the authorities in time to prevent the attack. (PIC: "The Next Generation")
The exterior shots of District Seven were of the Maracaná Stadium and surrounding area in Rio de Janeiro, which were modified with digital effects. [1]