Defenders Ragnar Sigurdsson and Sverrir Ingason, and striker Bjorn Sigurdarson, all play for Russian top-flight side FC Rostov, whose stadium hosts the third of Iceland's group D ties, against Croatia.
Drawn in a tough group alongside Argentina, Nigeria as well as the Croats, tiny Iceland, the smallest country ever to play at a World Cup, face a daunting challenge to match their Euro 2016 fairytale, where they reached the quarter-finals.
Sigurdsson, a 31-year-old defensive lynchpin who scored against England at the Euros, said their experience of Russia will come in handy.
"It will be like us having home advantage for the Croatia game. We know the city and stadium well," he said.
Ingason, 24, a defensive partner for Sigurdsson in Rostov, moved to Russia from Spanish side Granada in 2017, while the striker Sigurdarson, 27, also joined Rostov in January this year.
"It definitely helps that we three are together, we know each other well," said Sigurdsson. "It's easier than being alone".
"They are a small nation who have a huge heart," he said.
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