Chuy is a city in the extreme east of Uruguay, in the Rocha Department, 340 kilometres (211 mi) northeast of Montevideo. It lies on the border with Brazil, separated from its Brazilian sister town of Chuí only by a shared avenue that serves as the border, and by the Arroyo Chuy (stream) to the east. Chuy's population was 9,675 in 2011.

Rocha is a department in the east of Uruguay. Its capital is the city of Rocha. It borders Maldonado Department to its west, Lavalleja Department to its northwest, Treinta y Tres Department to its north, while to its northeast Laguna Merín forms part of its border with Brazil and at the south end of the lake it also borders the southernmost end of Brazil, with the city of Chuy "shared" between both countries, the border passing through its main commercial avenue.