https://wccftech.com/monster-hunter-world-iceborne-new-region/

A new region is getting added to Monster Hunter World Iceborne with the next major update, Capcom confirmed.

The new Vulcanic region will be found in the Guiding Lands and it will be the area where hunters will be able to fight Rajang, the new monster that is getting added to the game with the next major update. A description of the area has been provided by Siliconera.