Final answer:
The mentioned wall decoration, characterized by geometric and vegetative motifs, is commonly found in mosques, specifically around the ornate qibla wall and mihrab.
Step-by-step explanation:
The type of wall decoration mentioned would most commonly be found in a mosque. Mosque interior and exterior decoration is characterized by intricate geometric and vegetative motifs, along with features like the qibla wall and mihrab, which are often the most ornately decorated areas. Details such as colored mosaics, gilding, calligraphic inscriptions, and hanging lamps can also be part of a mosque's embellishment. These decorations are significant in Islamic architecture and are created to inspire and reflect the patron's wealth and artistic expression.