List of winners of the Asian Cup held in the Middle East.jpg

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Excluding the tournament held in Israel (1964, won by Israel), which is geographically located in the Middle East,
In the 9 tournaments held in the Middle East, Iran, Saudi Arabia, Japan, and Qatar have each won twice, and Kuwait has won once.
In other words, excluding Japan's 2 wins, Middle Eastern teams have won everything.
It looks like the upcoming Asian Cup will also be won by either a Middle Eastern team or Japan.