Allah is an Arabic-word for: The One and Only Deity/ God, Islam is the only religion that can describe themselves as True-monotheists, why? In Islam, we do not believe in anthropomorphism (i.e. attributing human-facets to The Divine One) In the Old Testament, in Genesis it says:
26 And God said; Let us make man in our image, after our likeness : and let them have dominion over the fish of the sea, and over the fowl of the air, and over the cattle, and over all the earth, and over every creeping thing that creepeth upon the earth.
27 So God created man in his own image , in the image of God created he him; male and female created he them.
So it is said that “God created man in his own image” which we reject in Islam, because our belief is that God cannot be likened to any form which He Himself created, He is far beyond the perception of man, through man’s mortal means of :
Along with “Allah” the Qur’an contains 99 names which are the attributes of Allah