Babbar Patera is a patera, or a complex crater with scalloped edges, on Jupiter's moon Io. It is about 86 kilometers in diameter and is located at 39°48′S 272°00′W / 39.8°S 272°W. It is named after a Sumerian sun god, and its name was approved by the International Astronomical Union in 1979.[1] Some scarps near Babbar Patera may represent faults.[2] Immediately south of Babbar Patera is the plateau Lyrcea Planum, and further south is Svarog Patera. To the east is the mountain Egypt Mons.[3]