A display substrate and a display device. The display substrate includes a display region, a first connecting wire, and a second connecting wire. A first display region includes a first sub-pixel array, including a plurality of light emitting elements arranged in an array, and the plurality of light emitting elements include a first light emitting element and a second light emitting element. The second display region includes a first pixel circuit array, including a plurality of first pixel circuit units, and the plurality of pixel circuit units include a first pixel circuit (D