Olcnava
# Olcnava

Olcnava (Hungarian: Detrefalva) is a village and municipality in the Spišská Nová Ves District in the Košice Region of central-eastern Slovakia.

## History

In historical records the village was first mentioned in 1312.

## Geography

The village lies at an altitude of 404 metres and covers an area of 15.211 km². In 2011 had a population of exactly 1000 inhabitants.

