[1] The river takes its source from a spring at an altitude of 447 m at the southern foothills of Sredna Gora mountain range, located near the road between the villages of Smilets and Svoboda.

Downstream of the town of Saedinenie the Potoka riverbed is corrected with protective dikes.

[1] Its drainage basin covers a territory of 423 km2 or 0.8% of Maritsa's total and borders the drainage basins of the Luda Yana to the southwest and the Pyasachnik to the northeast, both left tributaries of the Maritsa.

[1] There are two settlements along its course: the village of Topoli Dol in Pazardzhik Municipality, Pazardzhik Province and the town of Saedinenie in Saedinenie Municipality, Plovdiv Province.

The river's waters are utilised for irrigation for the intensive agriculture in the Upper Thracian Plain.