From Judge Dredd Wiki

Most of the action in Judge Dredd stories takes place in Mega-City One, but some stories have explored the rest of Dredd's world, including Mega City Two, Texas City, Ciudad Barranquilla, Sino Cit, Brit Cit and Oz.

[edit] Cities

• North America
  • Honolulu
  • Mega-City One
  • Mega-City Two
  • Mega-City Three (aka Texas City)
  • Uranium City
• South America
  • Brasilia
  • Bruja
  • Ciudad Barranquilla
  • Pan Andes Conurb
  • South-Am City
• Pacific
  • New Pacific City
• Europe
  • Brit Cit
  • Cal Hab
  • Ciudad Espana
  • Euro-City
  • Emerald Isle
• Asia
  • East-Meg One
  • East-Meg Two
  • Hondo City
  • Indo City
  • Sino-City One
  • Sino-City Two
• Africa
  • Luxor
  • New Jerusalem
  • Simba City
• Oceania
  • Djakarta
  • Friendly City
  • Solomon City
  • Sydney-Melbourne Conurb
• Antarctica Territories
  • Antarctic City

[edit] Offworld places

• Asteroid Belt
• Luna City One
• Titan
• Xanadu