Knyazhevsko is a village in Southern Bulgaria, located in Stara Zagora Province, Opan Municipality.

People mainly grow fodder crops – barley, wheat, corn; oilseeds – sunflower, rapeseed; vegetable and fruit trees.

Sheep and goats are also raised in herds and cows can be found in nearby farms.

There are several small and medium enterprises operating in the village, which develop trade, agriculture and animal husbandry.

[4] The community hal was built in 1931 and was named after "Zaharii Knyazhevski", the patron of the village.