Kaliningrad Stadium, 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. It hosts FC Baltika Kaliningrad of the Russian Premier League, replacing Baltika Stadium. Its project is based on the concept of the Allianz Arena, which hosted matches of the 2006 World Cup in Germany. Wikipedia