As Jews were exiled and moved there.
Throughout southeast Asia.
the exodus
By Israel filling up with Jewish immigrants.
Buddhism.
they spread budhism
As the Jews began living in all the European countries.
Judaism, Christianity, and Islam were all founded in southwest Asia, more specifically the Middle East.
it spread throughout southeast and south asia
they spread budhism
A world map it is located in Israel.
The way the question is written implies agency. Most of Judaism's spread was based on necessary migrations of Jews from other countries. Judaism spread by way of people moving, not populations converting. Jews spread throughout the Roman Empire, expanded out through much of Europe and also spread to the New World and Australia, before the mass return of Jews to Israel.
it started in Italy and spread throughout Europe and some parts of Asia