Mordovia Arena
Location: Saransk, Mordovia, Russia
Construction cost: $300 million
Capacity: 44,442
Situated in Saransk, Mordovia, Russia, this stadium is still under construction and is expecting to host its first test match in April 2018.
The Mordovia Arena will host 4 World Cup matches, all from the Group Stages.
This stadium has been planned to hold 44,442 spectators at a time for the FIFA World Cup which will later be decreased to around 28,000 after the Tournament.
This arena will be used by Russian Premier League side FC Mordovia Saransk for their home matches after the World Cup.
Rostov Arena
Location: Rostov-on-Don, Russia
Construction cost: $342 million
Capacity: 45,000
The host of 4 group stage matches, in addition to one round of 16 match is still under construction, though the Russian Organizing Committee has promised to have the stadium ready for the World Cup.
Rostov Arena has a seating capacity of 45,000, which will be decreased to around 42,000 after the World Cup and the stadium will serve as the new home ground for FC Rostov.
As the first major project on the Southern Bank of River Don, the construction of this stadium is expected to bring prosperity to the city. This will also be the focus for all major investments in the future.