Vlača (Hungarian: Balázsi, until 1899: Vlacsa) is a village and municipality in Vranov nad Topľou District in the Prešov Region of eastern Slovakia.

In historical records the village was first mentioned in 1349.

The municipality lies at an altitude of 200 metres and covers an area of 4.254 km². It has a population of about 230 people.

• Official website
• https://web.archive.org/web/20070513023228/http://www.statistics.sk/mosmis/eng/run.html