Ayakashi: Ghost Guild (Onmyouroku) Wiki
Ghost Guild/Omnyouji HQ
Ghost Guild Background
Where: Kyoto
Type: Building
Story: Chapter Nine: The Ghost Guild, Chapter Ten: The Spirit Stone
Characters: Mira, Professor Yata

The Ghost Guild is located in Kyoto.  It is the main head-quarters for the Ghost Agents.  This is where Professor Yata lives, and where Mira used to live.  There is a border surrounding it making it's location unaccessable by normal humans, and can be found by entering a number of paths.  Naginata guards the gate. Kasumi may be part of the Ghost Guild, as she is mentioned by Naginata.