Zone wise then Country wise and again City wise Point of sale ?
how i can handle it and how i can see Zone wise Sale then Country wise then City wise Sale From Point Of Sale Any Suggestion Please???

For Eample i have multipal Point of sale in multipal city multipal country.

and country is under zone

detail example is

Under Zone Multipal Countires Under in One Country have Multipal city.
i want to see sale of London Point of sael under English Country and Zone is what ever...
how i can handle it ?????