The city of Jerusalem in Islam is very sacred to Muslims. It is one of the three most sacred cities in Islam. Jerusalem is called al-Quds al-Sharif (the Noble Sacred Place). In order to understand the sacredness of this city in Islam, one has to understand the faith structure of Islam.
Muslims have a number of reasons to be leery of Halloween. But so do Christians. A number of Christians object to Halloween, seeing it as more than a costume and candy day of fun for kids (and adults). They connect their disapproval to the pagan and Satanic origins of Halloween.