From Lineage 2 Encyclopaedia
Dungeons (Instances) - game areas created separately for each group of players which goes there together, or for one player. To meet another group of players (or player) who have come into the same dungeon is impossible - they have their own copy of the dungeon.
Delusion Chamber - North, South, West, East
Delusion Chamber - Square and Tower
Kartia's Labyrinth - party type
Kartia's Labyrinth - solo type