Breznica (Hungarian: Nagyberezsnye) is a village and municipality in Stropkov District in the Prešov Region of north-eastern Slovakia.

In historical records the village was first mentioned in 1404.

The municipality lies at an altitude of 176 metres and covers an area of 9.931 km². It has a population of about 725 people.

The records for genealogical research are available at the state archive "Statny Archiv in Presov, Slovakia"

• Roman Catholic church records (births/marriages/deaths): 1700-1897 (parish B)
• Greek Catholic church records (births/marriages/deaths): 1842-1919 (parish B)

• List of municipalities and towns in Slovakia

• Media related to Breznica at Wikimedia Commons
• Official website
• https://web.archive.org/web/20070513023228/http://www.statistics.sk/mosmis/eng/run.html
• Surnames of living people in Breznica