[1] Buynovo is located in the southwestern part of Smolyan Province and has a territory of 45.467 km2.

[2] It is part of Borino Municipality and situated just north and east of the border with Greece.

The village is situated in the western part of the Rhodope Mountains along the river Vacha.

Upstream of the village in northern direction is Buynovo Gorge with dramatic steep cliffs.

[3] Along the gorge is located Yagodinska Cave, the longest in the Rhodope Mountains.