Mithra Patera is a patera, or a complex crater with scalloped edges, on Jupiter's moon Io. To the north is Silpian Mons, and to the east is Pyerun Patera. (wikipedia entry)
A patera is an irregular crater, or a complex one with scalloped edges. Usually the dish-shaped depression atop a volcano. On Io they are named after words for fire, sun or thunder; volcano gods, heroes, goddesses or mythical blacksmiths.
Image Source. Marker locations are approximate and may not always appear to align with image on map.