12) Which geographic region of Georgia is the most highly populated, containing most of its cities including Atlanta?

Piedmont

Explanation:

The most populated region in the state of Georgia is the Piemont region. Piedmont is the region that is located in the Eastern United States, going also through Georgia. It is located above the coastal plain, and below mountain area of valley & ridge, and blue ridge. It is the hilly part of the state, known for the red clay hills. This part of the state includes the Atlanta metropolitan area and the university town, Athens.

answer; the above statement is (true);