Gorgrond and Frostfire Ridge were part of the original continent, but when Ner’zhul opened the portals that tore the world of Draenor apart, both zones collided creating a sort of explosion. Gorgrond is a steamy zone with geysers and steam pools like the ones seen in the screenshot. Frostfire is snowy and has volcanoes. The collision of both zones created the Blade’s Edge Mountains as we know in Outland.
This Gorgrond screenshot reminds me of Durotar mixed up with The Geyser Fields in Borean Tundra plus the gray skies of Gilneas to make an interesting zone.