The Palakaria (Bulgarian: Палакария) is a river in south-western Bulgaria, a left tributary of the Iskar.

[1] The river is 39 km long and takes its source from the southern slopes of the summit of Kupena in Vitosha mountain range at an altitude of 2,015 m.[1] It flows in southern direction and turns to the south-east downstream of the village of Yarlovo and flows through a wide valley known as Palakariata between the mountain ranges of Plana to the north-east and Verila to the south-west.

At the village of Belchin it turns to the east and flows through the Samokov Valley very close to Relyovo.

[1] The average annual flow is 1.85 m3/s at the village of Relyovo.

[1] The river flows through the village of Yarlovo, Kovachevtsi, Popovyane, Belchin, Relyovo, Rayovo and Shiroki Dol in Samokov Municipality, Sofia Province.