It's sunken, although the seating around it is not.
Q
Another sunken pit
Not sunken but interesting shapes & textures
Partial benches built in, and partial chairs
Partially sunken, with chairs
Built-in seating
Another angle of the mixed bench/chair
Another partial chair/bench arrangement
Another bench/chair mix
***Closest I've found to a true sunken fire pit.
Like the pillows in a row against the wall
Nice ledger, and seating.
Not round, but sunken
Not round but sunken
It's sunken, although the seating around it is not.
Q