Gualeguaychú may refer to:
*
Gualeguaychú, Entre Ríos, a city in the province of Entre Ríos, Argentina
** the Gualeguaychú meteorite of 1932, which fell in Entre Rios, Argentina (see
meteorite fall)
*
Gualeguaychú Airport, serving the city in Entre Ríos
*
Gualeguaychú Department, an administrative subdivision (departamento) of the province of Entre Ríos, Argentina
*
Gualeguaychú River, a river in the province of Entre Ríos, Argentina
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Guaraní words and phrases