Eltibule, also sometimes referred to as "the castle zone" (as one of the main points of interest in Eltibule is the Castle) is the second zone in Project Gorgon . The items, quests, npcs and monsters located in this zone are generally of a higher level in comparison to Serbule.
Eltibule leads to three other seperate areas:, Basement,
Contents
Locations
Dungeons
Neighbor(s)
NPCs
Map
A simple annotated map to get you started, courtesy of lofalexandria (red = NPCs, blue = zones/portals).