Praise be to Allah, and may peace and blessings be upon the Messenger of Allah.
There is no contradiction between the verse and a person's becoming aware of the place of his death when he is approaching death. The saying of Allah تعالى:
“And no soul knows in what land it will die”
refers to knowing the place of death before it occurs. This is part of the unseen knowledge that Allah تعالى has kept exclusively to Himself.
However, once death arrives and its agonies begin, the matter has occurred, and the place of death is no longer unseen to the person who is experiencing it. Allah's exclusive knowledge of the place of death therefore refers to knowledge of it before it happens.
Likewise, a person may be unaware of something before it occurs, and once it occurs, he becomes aware of it. This does not contradict the fact that Allah تعالى exclusively possesses knowledge of the unseen before its occurrence.
One should also not become preoccupied with details for which there is no evidence concerning the extent to which the dying person perceives what he sees or feels. The state of approaching death and its agonies is extremely intense, and a person may be overwhelmed by his condition and unable to think about such matters.
As for prompting the dying person to recite the testimony of faith, this is done when death is approaching. He is gently reminded to say:
“There is no god worthy of worship except Allah.”
This is in the hope that it will be his final statement in this worldly life. The Prophet ﷺ said:
“Prompt your dying ones to say: There is no god worthy of worship except Allah.”
The intended meaning of “your dying ones” here is those who are approaching death and whose death has begun, not those who have already passed away. As for prompting a person after his death, it is not established from the Prophet ﷺ that he prescribed this practice.
Therefore, the dying person's awareness of the place of his death when death has arrived does not contradict the verse, because the verse speaks about the unseen before death occurs. Once death has arrived, what was previously unseen has become apparent.
And Allah تعالى knows best.