Traveling  in Russia/  Hotel in Moscow, Russia/Good Restaurants in Moscow/ Attractions in Moscow?

My older Brother wants to go to Russia at a future time he wants to stay at a Nice Hotel in Moscow .  I realize there are different districts like all cities but can anyone suggest what is a nice area in Moscow to stay??   Red Square area or Business District?, Or other areas for Food, Theater, Attractions?   any information would be great.  Also traveling on Russian Trains are they nice to travel on?  Thanks for your help and  time. Any suggested High End Hotels in Moscow  that are real nice to stay at? Thanks again!!!  Also any good restaurants in Moscow?   Regards,  The Beatles

2017-04-11T00:37:33.809Z