Olympus

Before the creations of the other planes the gods required a place to live out there existence. This place was dubbed Olympus. The gods created it to be the ideal place form them to live and revel in there existence. Everything a mortal could want and much more can be found in its opulent temples. After a great conflict occurred here however the god War proclaimed Olympus his. Due to this most other gods fled Olympus, either due to fear of War, or to flee from the constant reminder of the terrible conflict Olympus had become. War allowed a select few he deemed acceptable to say in Olympus. These are:

Sol  for his grand achievement of the Mortal Plane.

Asurum whom War considers a close friend

Adam  due to his shepherding Humankind, a race wrought with war.

Tact due to his neutrality in all conflict

Muran  and Yrtuna  are welcome out of respect for the duties although they both decided to reside in the Boneyard

His love Arimya 

Later on some who had proved themselves worthy in the eyes of War where allowed acces as well

His daughters Conquest , Glory , Honor  Battle  and even Peace  reside here.

Her Jäger due to his incredible prowess and dedication to improving it.

Atlas  out of respect for his deeds