We don’t know exactly where they came from. We also don’t know how many wise men arrived at Jerusalem. The number three, the names “Melchior, Balthasar, and Caspar,” and that they were kings, all belong to the realm of tradition; Scripture does not mention these things.
1 Now after Jesus was born in Bethlehem of Judea in the days of Herod the king, behold, wise men from the east came to Jerusalem,