Pogranichnik (Kazakh: Пограничник), formerly Barlykbay, is a village in the Aksu City Administration, Pavlodar Region, Kazakhstan.

It is part of Dostyk Rural District (KATO code - 551665100).

[2][3] Pogranichnik is located 35 km (22 mi) to the WNW of Aksu City and 26 km (16 mi) to the northeast of Kalkaman.

The village lies near lakes Sarykol and Uzynbulak, close to the northwestern end of lake Kalkaman.

The Ekibastuz - Pavlodar highway passes by Pogranichnik.