The community is in northwestern Mitchell County, 7 miles (11 km) northwest of St. Ansgar, the post office serving Otranto, and 18 miles (29 km) northwest of Osage, the county seat.

Otranto is located along the Cedar River, approximately 4 miles (6 km) southwest of Mona.

There were 14 housing units at an average density of 34.1 per square mile (13.2/km2).

Hispanic or Latino persons of any race comprised 11.1% of the population.

This article about the geography of Mitchell County, Iowa is a stub.