They went to southern Europe, North Africa, Arabia, the Near East, and further afield (especially northward, gradually, throughout Europe).
They were expelled from the kingdom, unless they converted to Christianity.
jews
There was no single Christian policy towards Jews in the Middle Ages. In some places Jews were invited into kingdoms and protected, because the kings understood the benefits of having a Jewish population. In others, the Jews were expelled or killed because of bigotry or a desire to discharge debts to them without payment. A lot depended on the understanding and integrity of the monarch.
They were persecuted in Western Europe and moved eastwards to Poland, which was very tolerant in the Middle Ages and early modern times.
Jews
Theodore L. Steinberg has written: 'Jews and Judaism in the Middle Ages' -- subject(s): History, Intellectual life, Jews, Judaism 'Reading the Middle Ages' -- subject(s): History and criticism, Medieval Literature 'Jews and Judaism in the Middle Ages (Praeger Series on the Middle Ages)'
Often, these migrations were because the Jews were expelled from the various countries (England, France and Spain are examples). See also the Related Link.The diaspora
Jews were being persecuted all over Europe, King Kazimirez the Great offered them his country as a safe place to live.They were persecuted in Western Europe and moved eastwards to Poland, which was very tolerant in the Middle Ages and early modern times.
* The first Jews were brought to England by William the Conqueror. * They were expelled from England by Edward I in 1290. (No reason is recorded for the expulsion). * They were readmitted by Oliver Cromwell from 1657. The numbers remained small till persecution in Tsarist Russia forced many Jews to flee westwards.
The time!✝
Poland
Early Middle Ages 400 - 700, High Middle Ages 700 - 1300, Late Middle Ages 1300 -1500.