Jerusalem: Some scholars propose that James wrote the book while residing in Jerusalem, where he served as the leader of the early Christian community.
Judea: Other suggestions point to Judea, a broader region encompassing Jerusalem and its surroundings.
Egypt: A less common view suggests that James may have written the book while in Egypt, where he is believed to have visited and taught.
Unknown: It's also possible that the exact location where James wrote the book is not known or recorded.
It's important to note that the Book of James is traditionally attributed to James, the brother of Jesus, but there is some scholarly debate regarding its authorship and date of composition.