In Kirklareli, houses and streets are under water and bungalows of a holiday resort were washed away by the floods, Anadolu said.
A day earlier, heavy thunderstorms had also hit Mugla, in southwest Turkey. According to Anadolu, lightning strikes caused fires in 36 different places there. In addition, there had already been flooding in the Black Sea region over the weekend.
The Turkish disaster relief service Afad warned on Tuesday of further storms in the west and southwest of Turkey. Floods, lightning strikes and storms can occur.
In mid-August, Turkey was still struggling with a heat wave.