Question

whats the name for the enclosed depiction of the kings name atop a stylized facade of the palace)?

Explanation:

This refers to an element of Ancient Egyptian royal iconography: an enclosed royal name placed above a stylized palace facade, which is defined as a serekh. The serekh typically frames the king's Horus name, often surmounted by a royal symbol like the falcon (Horus) seen in the image.

Answer:

Serekh (specifically a Horus name serekh, the enclosed royal name atop the stylized palace facade)