The Orlanka or Orlanka River, in eastern Poland, is a tributary of the Narew River.
The Orlanka flows through the geographical region of Europe known as the Wysoczyzny Podlasko â Biaà Âoruskie (English: Podlaskie and Belarus Plateau) located in the Podlaskie Voivodeship of Poland.
The drainage area is contained within the mezoregion known as the Równina Bielska (English: Bielsk Plain).