This year I went to the Worldcup in Russia, one of the matches was in Sochi Adler, and since I love castle hotels ( if you have seen my other posts) I stayed in Bogatyr hotel, it is a castle hotel that lits up at night with different colors, next to the hotel is the Bogatyr park with a lot of attractions, if you stay there, they will give you free tickets for the park. It is a walking distance of the stadium (they also use it for the Olympic Games), the beach is across the street, surrounded with a lot of restaurants. This is the best area to stay in Sochi.
I rented a Segway to see the complete area, and I loved it.
Bogatyr hotel is “the” hotel in Sochi!