Did CoD4MW take place in Chernobyl or Pripyat?

Call of Duty 4: Modern Warfare features missions set in both Chernobyl and Pripyat. The game's most notable level, "All Ghillied Up," takes place in the abandoned city of Pripyat, which is near the Chernobyl Nuclear Power Plant. The storyline incorporates the Chernobyl disaster's historical context but primarily focuses on the urban environment of Pripyat during gameplay.