Gerin (crater)
Gerin is 445-km wide impact crater on Saturn's moon Iapetus, located on Saragossa Terra. It is partially obscured by the larger crater, Engelier, whose formation has destroyed about half of Gerin. Gerin is located atNomenclature
Crater Gerin is named after one of the Twelve Peers in the French epic Song of Roland; this name was approved by the International Astronomical Union in 2008.