Sơn Tịnh is a district of Quảng Ngãi province, in the South Central Coast region of Vietnam, situated to the northeast of the town of Quảng Ngãi. 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.