[1] The city has a population of about 52,400 (2006 Estimate) and is the hometown of former president Nicanor Duarte Frutos.

Coronel Oviedo is an important transit point, as it lies halfway between Asunción and Ciudad del Este.

The original name of the city at the time of its founding was "Nuestra Señora del Rosario de Ajos" or "Our Lady of the Rosary of Garlic", as the cultivation of garlic was a prominent local cash crop and formed a significant base for trade in the city.

The city is the seat of the Roman Catholic Diocese of Coronel Oviedo.

[3] Coronel Oviedo has a humid subtropical climate (Köppen: Cfa)[4] with hot summers and warm winters.