Board Thread:Movie Discussions/@comment-27637441-20160128232821/@comment-25285745-20160203040620

Yes it does. Baragon was entombed near Mount Myoko, Mothra was under Lake Ikeda, and King Ghidorah was underneath the forests near Mount Fuji. It's also explained that the way Isayama awakened the monsters was by breaking stone statues that allowed the souls of Japan's honorable dead, which were stored in the statues, to be channeled into the Guardian Monsters and awaken them.