Parenago is an impact crater

Impact crater

In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

 on the Moon

Moon

The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

's
far side, behind the eastern limb. Nearly attached to the east-southeastern outer rim of Parengo is the crater Berkner

Berkner (crater)

Berkner is a lunar crater that is located on the far side of the Moon, just past the western limb. It is attached to the east-southeast rim of the crater Parenago. Just to the south is the Robertson, and to the southeast is Helberg....

. To the south-southwest lies Comrie

Comrie (crater)

Comrie is a lunar crater. It is located on the rugged far side of the Moon relative to the Earth, beyond the western limb. Nearby craters of note include Ohm to the south-southwest, Shternberg to the southwest, and Parenago to the northeast....

.

This is a worn and eroded crater formation. Attached to the northern outer rim are the satellite craters Parenago W and Parenago Z. Three small craters lie prominently along the edge the inner wall in the southeast quadrant of the interior floor. The floor is otherwise relatively level and is marked by only a few tiny craterlets.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Parenago.

Parenago	Latitude	Longitude	Diameter
T	26.0° N	110.7° W	18 km
W	27.8° N	109.7° W	49 km
Z	28.9° N	109.0° W	18 km