Can Moses (peace be upon him) be considered Egyptian because he was born and lived in Egypt, while Prophet Muhammad (peace and blessings be upon him) is not considered Saudi on the grounds that the name "Saudi Arabia" did not exist at that time, taking into account that Egypt is mentioned by this name in the Holy Quran?

Before delving into such discussions, one should question their benefit, in light of the Prophet's (peace be upon him) saying: "Among the excellence of a person's Islam is his leaving what does not concern him."

As for answering the question, a distinction must be made between "nationality," which is acquired by birth or residence, and "ethnicity" or "race," to which a person belongs.

For example: The Prophet of God, Moses (peace be upon him), was of Israelite ethnicity, born and raised in Egypt. Both attributions are correct, depending on their context. Another example: The companion Suhayb ibn Sinan al-Namari was of Arab ethnicity, and he was known as al-Rumi due to his residence in Rome (Byzantium), though he was from the Arabian Peninsula.

The purpose of this is that a person may be attributed to more than one lineage based on different considerations, and each attribution is correct according to its context.

As for the Prophet Muhammad (peace be upon him), he was of Arab ethnicity, from the Quraysh, Hashimi clan. He was born, raised, resided, and died in the Hijaz. He was born and raised in Mecca, and resided and died in Medina. If the region of Hijaz or the Arabian Peninsula were given another name, his attribution to it would be correct in that regard. If asked about the continent from which the Prophet (peace be upon him) came, the answer would be that he was from the continent of Asia, because the Arabian Peninsula is part of it. The same applies if the land of Hijaz or the Arabian Peninsula were to fall under a broader name, such as a contemporary state.