The Palacio Peñarol Contador Gastón Guelfi, commonly known as Palacio Peñarol, is an indoor sporting arena that is located in Montevideo, Uruguay.

With a seating capacity for basketball games is 4,700 spectators, it is mainly used to host basketball games.

[1] It was one of the host arenas for the 2017 FIBA AmeriCup, the official Americas Basketball Championship.

Palacio Contador Gastón Guelfi was originally opened in 1955.

The arena was used as a host venue of the 2017 FIBA AmeriCup.