What is region 5 on the water phase diagram?

[ksle82]

what is the region of five ices? and where it's in the phase diagram for water. I've tried to google it but couln't find it.

 

[LeonhardEuler]

Is it possible that you mean the region of ice V on the phase diagram? If that's the case then it is a phase of solid water that forms at extremely high pressures. Here is a phase diagram:
http://www.lsbu.ac.uk/water/phase.html"

 

[ksle82]

Yes you're right. The question wording could've better. thank you.