Costeștii din Vale is a commune in Dâmbovița County, Muntenia, Romania. It is composed of three villages: Costeștii din Vale, Mărunțișu, and Tomșani.
Natives
- (b. 1947), writer
- (1847–1886), painter
- I. C. Vissarion (1883–1951), writer and inventor, one-time village mayor