In my atlas it says the largest european city is Moscow. But when you look for Moscow it is un Russia. Russia is a county of Asia.

I am confused!

2 answers

Most of Russia is in Asia, but the western part is in Europe.

Check this map. Note that the Ural Mountains divide Europe and Asia.

http://www.worldatlas.com/webimage/countrys/asia/rularge.htm
This map may also help you.

http://www.yourchildlearns.com/europe_map.htm