Gioja (Moon)

Named after Flavio Gioja - Italian inventor (unkn-fl. 1302).

Gioia is a lunar crater that is located in the vicinity of the north pole. The crater is attached to the southern rim of the larger Byrd, a formation with low walls. To the south-southeast is the crater Main. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.