What are the most populous and least populous areas of Russia? And why are some areas more heavily

populated than others?
6th grade and 2 sentences pls
thank you

The most populous area of Russia is Moscow, the capital city that is home to over 12 million people. The least populous area is the autonomous district of Chukotka, which has a very harsh and remote environment, making it difficult for people to settle there. Some areas are more heavily populated than others due to factors such as geographical location, availability of resources, economic opportunities, and historical reasons.