There are a few places in the world but there will be more and more throughout the story I will be adding if I thought of a new one.

There are places that is in the world, where the Diamond Rocks live:

Big Fall City
Blue bridge
Snow city
Manila,Cebu,Pasig (places in the Philippines, I couldn't think of different places cause I'm was doing school)
That's all or maybe I forgot

The places in different dimensions are:

Dimenzial
Stuffville

There are only 2 so far