Gandhakuti, is the same for every Buddha, and is one of the unalterable sites avijahitatthanani (BuA.247)

About Gandhakuti
http://en.wikipedia.org/wiki/Jetavana#The_Gandhakuti:_Buddha.27s_dwelling_in_...

http://www.palikanon.com/namen/g/gandhakuti.htm