Gertrude (Titania)

Mother of Hamlet.

Gertrude is the largest known crater on Uranus's moon Titania. It is about 326 km across, 1/5 of Titania's diameter. The crater rim is elevated by 2 km over the crater floor. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On Titania they are named after female Shakespearean characters, places.