They were promptly helped to find housing.
Swiss fans appealed to the Department for Prevention and Elimination of Emergencies of the Rostov region with a complaint: they did not find the hotel booked earlier in Selivanov Street.
It turned out that they mixed up two cities: Rostov and Rostov-on-Don. The operator explained what the error was, and helped with the resettlement in the city of the World Cup.
This is not the only confusion with the cities due to the World Cup 2018: a few months before the start of the mundialya in Facebook appeared a photo booklet about the cities of the championship, where they mixed up Nizhny Novgorod and Veliky Novgorod.