The Gymkhana Sozopol car contest is under way at the Neptune water park near Sozopol. A total of 21 drivers are taking part, the municipality said.
This year's event backs the charity campaign "Together for Iliya and Dinko". Through it, the car community is helping two racing drivers.
Organiser Kremena Miteva opened the contest.
Sozopol municipality supports the event. It says the event links a love of motorsport with compassion and mutual help.