Kümbet, is a neighbourhood of the municipality and district of Seyitgazi, Eskişehir Province, Turkey.

It was used for the second time in the Roman Empire period, especially with its monumental arrangements and reliefs on its façade.

In the tabula ansata below the pediment, there are two lion reliefs placed opposite each other on both sides of the central hole.

The tomb was built with ashşar, and its cupola has a pyramidal cone form made of bricks.

Marble architectural pieces belonging to the Byzantine Empire period were used at the entrance door.