Byala Reka () is a village in the municipality of Varbitsa, located in the Shumen Province of northeastern Bulgaria. The village covers an area of and is located from Sofia. As of 2007, the village had a population of 1167 people. The name (Byala Reka means "White river") origins from it`s old name "Akdere" ("White river" in Turkish). The religion of the local people is Islam. There are 2 mosques in the village.