The Middle East, in particular the city of Jerusalem in Israel has holy sites for all 3 of those religions.
The western wall is the most holy thing for the Jews ( and even for some chrostens because the western wall is a part of the Jewish temple ) . Because the western wall Jerusalem is holy for the Jews, this is the most holy city for the Jews .
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Because that was where Mohammed was born and Mohammed is the founder of Islam
The Sabbath (Saturday) and Yom Kippur; and to a slightly lesser degree, the festivals.
There is no holy person or deity in Buddhism
Judaism does not have a Holy Temple. It was destroyed in the year 70 by the Romans. In Jewish writings of today, it is simply referred to as the Temple in Jerusalem, the Holy Temple, or Beit Ha-Mikdash (Hebrew for house of holiness).
The Holy Trinity, God the Father, God the Son and God the Holy Spirit.
Hinduism is a naturally happening thing in the world. It does not have any founder. Also, there is no particular holy book for it.
Henry Henderson has written: 'The deity of the Lord Jesus Christ, and the deity and personality of the Holy Spirit'
Jerusalem (Hebrew: Yerushalayim) is the holiest city in Jewish tradition and has been so since the time of the Bible. Starting in about the sixteenth century, three other cities that were at different times centers of Jewish life in Palestine have become regarded as holy cities, and together with Jerusalem they are considered the four holy cities of Judiasm: Hebron (Chevron), Safed (Tzfat) and Tiberias (Tiveria). See http://en.wikipedia.org/wiki/Four_Holy_Cities . Note that Jerusalem is also a holy city of both Christianity and Islam, and that Hebron is a holy site for Islam as well.
well the founder of Korea is the holy dan gun legendary founder of Korea in 2333 BC