The equivalent sacred text in Islam to the Torah in Judaism is the Quran.
In Jerusalem, the Temple Mount (Har Ha-Bayit or Haram Ash-Sharif) is sacred to both Judaism and Islam.
Christianity, Judaism and Islam.
Judaism, Christianity, Islam
Jerusalem
Islam, Christianity and Judaism
Jerusalem is a city, so the question is nonsensical. In Jerusalem, the Temple Mount (Har Ha-Bayit or Haram Ash-Sharif) is sacred to both Judaism and Islam.
The three major monotheistic religions are Judaism, Christianity, and Islam. These religions believe in one God and have sacred texts such as the Torah, the Bible, and the Quran.
The Islam sacred text is Quran. It was not invented. Quran was revealed to prophet Muhammad (peace be upon him) by God (or Allah and same God in Judaism and Christianity).
The Western Wall is particularly sacred to the JUDAISM, the religion of the Jews.However, the general Temple Mount site, of which the Western Wall is just a part, is holy to Judaism, Christianity, and Islam.
Christianity, Judaism, and Islam
The three are Christianity, Islam and Judaism. Three other sacred religions are Hinduism, Buddhism and Shintoism.