The county has 21 communes (xã):
The hamlet of Mỹ Lai of the Sơn Mỹ village, Tinh Khe commune was the site of the massacre of non-combatants committed by United States Army troops in 1968, today documented in Son My Memorial Park in Son My's sub-hamlet of Tu Cung.
My Khe Beach is an attractive 8 km long beach situated in the Co Luy Village of Tinh Khe commune.