United States (Earth-1)

The United States of America (USA), commonly referred to as the United States (US) or America, is a country located in the Northern Hemisphere. It is the main setting of Arrow and The Flash, and in turn the country that many characters hail from.

Cities

 * Blüdhaven
 * Calvin City
 * Central City
 * Coast City
 * Keystone City
 * Midway City
 * Pittsburgh
 * Starling City

States

 * California
 * Illinois
 * Massachusetts

Visitors

 * Al-Owal (deceased)
 * Ben Turner (deceased)
 * Chien Na Wei (incarcerated)
 * Digger Harkness (incarcerated on Lian Yu)
 * Floyd Lawton
 * Milo Armitage (incarcerated)
 * Maseo Yamashiro
 * Nyssa al Ghul
 * Simon Lacroix (incarcerated)
 * Slade Wilson (incarcerated on Lian Yu)
 * The Dodger (incarcerated)
 * Zhishan (deceased)

Arrow
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Season 3
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Arrow: Season 2.5

 * "Return"
 * "Descent"
 * "Acolyte"
 * "Ascension"
 * "Following"
 * "Outnumbered"
 * "Haunted"
 * "Awakenings"
 * "Transitions"
 * "Gone"
 * Blood part 11

The Flash: Season Zero

 * "The Strongman Cometh"
 * "Who Let the Chimps Out?"
 * "A Goodnight Hiss"
 * "Big Top Brawl"
 * "The Talented Mr. Bliss"
 * "A Captive Audience"
 * "Showtime"
 * "The Big Finale"
 * Smoak Signals part 1
 * Smoak Signals part 2