Bulgaria recorded zero inflation in August compared to the previous month, the National Statistical Institute (NSI) said.
Year-on-year, consumer price inflation was also zero, the statistical office said in a monthly inflation report.
The inflation rate since the beginning of the year (August 2015 compared to December 2014) was negative at minus 0.3%.
Prices of food and non-alcoholic beverages rose by 0.6% last month compared to July and prices of alcohol and tobacco were 0.2% higher, while prices of clothes and footwear were 2.4% lower.
Transport prices also decreased, falling by 0.4% month-on-month in August as a result of lower oil prices.