Brezov (Hungarian: Nyírjes) is a village and municipality in Bardejov District in the Prešov Region of north-east Slovakia.

In historical records the village was first mentioned in 1335. Before the establishment of independent Czechoslovakia in 1918, Brezov was part of Sáros County within the Kingdom of Hungary. From 1939 to 1945, it was part of the Slovak Republic. On 18 January 1945, the Red Army dislodged the Wehrmacht from Brezov and it was once again part of Czechoslovakia.

The municipality lies at an altitude of 190 metres and covers an area of 6.894 km. It has a population of about 435 people.

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

• Roman Catholic church records (births/marriages/deaths): 1840-1902 (parish A)
• Greek Catholic church records (births/marriages/deaths): 1839-1935 (parish B)

• List of municipalities and towns in Slovakia

• Media related to Brezov at Wikimedia Commons
• Official website
• https://web.archive.org/web/20071116010355/http://www.statistics.sk/mosmis/eng/run.html
• Surnames of living people in Brezov