Mihrab (Arabic: محراب ‎ ‎ miḥrāb, pl. محاريب maḥārīb) is a semicircular niche in the wall of a mosque that indicates the qibla; that is, the direction of the Kaaba in Mecca and hence the direction that Muslims should face when praying. The wall in which a mihrab appears is thus the "qibla wall ''.
what is the wall in a mosque called that is toward mecca
Mihrab mihrab