Japanese players arrived at Al Erssal Stadium at 10 a.m. (2 p.m. Hanoi time).
Japan have the most expensive squad at this Asian Cup, valued at US$345.5 million by football site Transfermakt.
While left winger Kaoru Mitoma practiced in the gym as he has not fully recovered from an injury, the other 25 members of the squad hit the stadium.
Captain Wataru Endo (front) who is playing for Liverpool is one of many notable stars in the squad.
Behind him are midfielder Hidemasa Morita (L) who is playing for Portugese club Sporting CP and winger Junya Ito of French club Reims.
Center back Ko Itakura (L) of German club Borussia Monchengladbach talks with attacking midfielder Takumi Minamino of French club Monaco during the training.
Takefusa Kubo (C) is a star in Japan's attacking line. He has played a key role in Spanish club Real Sociedad's success at Laliga this season. The club are standing sixth with 32 points after 19 matches, 16 points behind Real Madrid in the top position.
Kubo and South Korea's Kim Min-jae are each valued at $65.4 million by Transfermakt, making them the two most expensive players at the 2024 Asian Cup.
Ritsu Doan (2nd, R) and Takuma Asano (L) are other important factors in Japan's front line.
The duo scored late goals to give Japan a come-from-behind 2-1 victory over Germany at the 2022 World Cup, which was one of the biggest upsets at the tournament.
Defender Takehiro Tomiyasu (C) has come back after two months of recovering from an injury.
He, together with Doan and Minamino, was in the squad that beat Vietnam 1-0 at the Asian Cup 2019's quarterfinals.
Goalkeeper Zion Suzuki, who is playing for Belgium club Sint-Truidense.
The 1.9-meter keeper has a Japanese mother, and a Ghanaian American father.
Midfielder Kaishu Sano from the U23 team is having the first major tournament with Japan's national football team.
Coach Hajime Moriyasu (R), who has kept Japan on good form with 10 straight victories, is aiming for their first Asian Cup title since 2011.
Moriyasu also led Japan in the previous tournament in 2019, where they lost to Qatar in the final.
The 55-year-old is considered the most successful coach in Japan's football history, having coached them in 73 matches with 50 victories, a winning rate of 68.49%.
