The area players go when going into a room. Contains your room (left, top option), a decoration room (left, middle option), a cat farm (left, bottom option), a tavern for quests (ale sign), smiths (right), a training school (pillared building), and some basic shops in the middle. To reach Dondoruma City, walk up to the either the stairs in in the southwest, the gate in the north, or the gate in the southeast while in Mezeporuta Square and choose the first option. A list of channels with up to 30 people will come up, and you can join one of your choice to reach the city.
Untranslated map from http://mhf.inven.co.kr.