Named after the Babylonian city ruled by Gilgamesh.
Uruk Sulcus is a bright region of grooved terrain adjacent to Galileo Regio on Jupiter's moon Ganymede. It is thought to be younger than the darker material elsewhere on the moon. (wikipedia entry)
A sulcus is an are subparallel furrows and ridges. On Ganymede they are named after places associated with myths of ancient people.
Image Source. Marker locations are approximate and may not always appear to align with image on map.