The Serras de Sudeste Microregion (Portuguese: Microrregião das Serras de Sudeste) is a microregion in the southern part of the state of Rio Grande do Sul, Brazil.

It is named after a hill range (a plateau) named Serras de Sudeste, which means Southeastern Mountain Ranges.

The area is 16,512.614 km².

The microregion consists of the following municipalities:[1] This geographical article relating to Rio Grande do Sul is a stub.

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