One of the five Jewish cemeteries in Białystok, located on Bema street, was founded in 1890. During the WWII it was completely destroyed. After the War there was a open-air market and today it's partially built over with buldings and car park.
You can find more information on Jewish cemeteries in Bialystok on www.shtetlinks.jewishgen.org/BialyGen/BialCem.htm