What are Russia' Regions? Seems simple enough, except that I don't even know if they are called regions. All I know is that Siberia is in the same group as the rest of them. I've tried to search up exactly what they are, but different websites have different answers, so I wanted to find out exactly what they are.

Physioeconomically, the Russian Federation may be conveniently divided into 9 major regions: the Central European Region, the North and Northwest European Region, the Volga Region, the North Caucasus, the Ural Region, Western Siberia, Eastern Siberia, Northern and Northwestern Siberia, and the Russian Far East.

Explanation:

what are the choices for the anwser?