UEFA Kaliningrad Stadium (Russian: Стадион Калининград), known for sponsorship reasons as the Rostec Arena (Russian: Ростех Арена) since August 2023, is a football stadium on Oktyabrsky Island, Kaliningrad, Russia, which hosted four games of the 2018 FIFA World Cup.

[2] In April 2012, the regional government chose the French architectural bureau Wilmotte & Associes, SA stadium construction project.

[6] In June 2014 the Omsk Arbitration Court declared "Mostovik" bankrupt and, in March 2015, termination of the contract with the company began.

[7] The state contract was signed between the Government of the Kaliningrad Oblast and Crocus International "to develop the project and working documentation on the design of the stadium".

[9] At first, regional authorities considered the option with the construction of new sports facilities in the city center, on the place of the current Baltika Stadium.

[11] The project was based on the concept of the Allianz Arena Munich, which hosted matches of the 2006 World Cup in Germany.