加斯特雷是阿根廷的城镇，位于该国中部丘布特省，是加斯特雷县的首府，始建于1904年，海拔高度1,208米，主要经济活动是畜牧业和采矿业，2001年人口557。

Gastre (from Tehuelche Gástrrek, meaning "shrub") is a village in Chubut Province, Argentina. It is the head town of the Gastre Department. It was founded in 1904. The place was the center of a controversy in the early 1990s when Argentina's National Atomic Energy Commission proposed to build a deep borehole disposal in the area.