Gastre (from Tehuelche Gástrrek, meaning "shrub") is a village in Chubut Province, Argentina.

It is the head town of the Gastre Department.

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.

[1] It was intended for radioactive waste to stay in the area for "1,000 years" until the radiation reached a non-lethal level.

[2] This article about a place in Chubut Province, Argentina is a stub.