Question

whare do we find dwellings made of ice and who make them and what are they called

Answer 1

The answer for first part of your query is 

1.  We find dwellings made of ice in Arctic zone (Polar region)

The answer for 2nd part of your query is 

2.  These are made by  Eskimos and Inuits (people living in Polar region are known by these names)

The answer for 3rd part of query

3.  The dwellings of ice are known as Igloos

Answer 2

The dwellings made of ice are called polar region
People live in these are called Eskimos
They are called igloos