The outer halves of Atreia are known as Balaurea. They are heavily influenced by Drana  and act as a home to both the Reians  and the Balaur .

It conteans:

Sarpan (Reian homeland)

Tiamaranta (Balaur influence, after Tiamat's death  Reian takeover)

Gelkmaros (Asmodian influence)

Inggison (Elyos influence)

Silentera Canyon (no ones land ,undergoing elyos-asmodian fights)

Katalam a new region, what comes in  4.0. It is divided into 2 territory Northern Katalam and Souther Katalam.