Naktong Vallis (Mars)

Named after the Modern name for river in the Republic of Korea.

Naktong Vallis is part of the Naktong/Scamander/Mamers Valles lake-chain system that is comaparable in length of Earth's largest system, like the Missouri-Mississippi. (wikipedia entry)

A vallis is a valley. On Mars large valles are named after words for Mars/star in various languages. Small valles are named after classical or modern names of rivers.