Guido d'Arezzo is a crater on Mercury. It has a diameter of 58 kilometers.[1] Its name was adopted by the International Astronomical Union (IAU) in 1976. Guido d'Arezzo is named for the Italian music theorist Guido of Arezzo, who lived from 990 to 1050.[2]
 Oblique MESSENGER NAC image of Guido d'Arezzo | |
| Feature type | Impact crater |
|---|---|
| Location | Discovery quadrangle, Mercury |
| Coordinates | 38°25′S 18°32′W / 38.41°S 18.53°W |
| Diameter | 58.0 km (36.0 mi) |
| Eponym | Guido of Arezzo |
The scarp Vostok Rupes cuts across Guido d'Arezzo and the unnamed crater to the northwest. The crater Matabei is to the southeast of Guido d'Arezzo.