Mictlan was the mythological underworld of which ancient civilisation?

In Náhuatl, "mic" means dead. The suffix -tlan means "the place of". So Mictlan means "the place of the dead". In Hebrew, it's sheol. In Greek, it's Hades. There is a town close to us here called Ocotlan which means the place of the ocote which is a pine tree that contains an extraordinary proportion of resin. They use kindling of this wood to start fires with.