Is the location of the tomb of Yunus (peace be upon him) in Iraq correct?

The grave of Prophet Yunus (peace be upon him) is unknown. Indeed, all graves of the prophets are unknown, except for the grave of Prophet Muhammad (peace and blessings of Allah be upon him) in Medina, and the grave of Ibrahim (peace be upon him) in Al-Khalil (Hebron). The claim that Yunus's grave is in Nineveh has no basis. Even if his grave were known, it is not permissible to seek blessings from it, or to supplicate to him, or to make vows to him, for worship is due to Allah alone.