Svilengrad is a town in Haskovo Province, south-central Bulgaria, situated at the tripoint of Bulgaria, Turkey and Greece. It is the administrative centre of the homonymous Svilengrad Municipality.

Haskovo Province is a province in southern Bulgaria, neighbouring Greece and Turkey to the southeast, comprising parts of the Thracian valley along the river Maritsa. It is named after its administrative and industrial centre - the city of Haskovo. The province embraces a territory of 5,533.3 km2 (2,136.4 sq mi) that is divided into 11 municipalities with a total population, as of December 2009, of 256,408 inhabitants.