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 has a territory of 5,533.3 km² that is divided into 11 municipalities with a total population, as of December …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 has a territory of 5,533.3 km² that is divided into 11 municipalities with a total population, as of December 2009, of 256,408 inhabitants.