I'll do more and write more of my own stuff when I get my copy of MGS3 back. For now here are just descriptions and the Russian translations.

Dremuchij (дремучий, "dense") - A bushy forest located on the edge of a gigantic cliff. A gavial-infested swamp lay to the north.
Dolinovodno (Долиноводно, "water valley") - An area with a rope bridge over a very large ravine, connecting Dremuchij to Rassvet.
Rassvet (Рассвет) - The location of a run-down, abandoned factory.
Chyornyj Prud (Чёрный пруд; "black pond" or "black lake") - A large swamp inhabited by many fish,...