You probably need to go to Caldererias.
(near to Plaza Nueva )
Then just ask anyone.
They can speak to you in English, Spanish or Arabic.
There are lots of gift shops.
By halaa you probably mean halal
Halal (Arabic: حلال ḥalāl, "lawful") is a term designating any object or an action which is permissible to use or engage in, according to Islamic law. The term is used to designate food seen as permissible according to Islamic law. The opposite of this word is haraam.
There are many halal places in that area.
Some of the meat is very good.
Halal meat is slaughtered according to strict laws.
It is very similar to kosher meat favoured by the Jewish religion.
Granada has a long history of Jews, Moslems and Christians living together in the same city.
Some of it is good but if you look at history it is filled with atrocities and if you don't want to depress yourself with examples of human stupidity don't study the history of the last 500 years.
Thank god (although he/it/she does not exist) that in modern times we live in harmony.