Estadio Osvaldo Casanova, nicknamed La Catedral,[2] is an arena located in the city of Bahía Blanca in the Buenos Aires Province of Argentina.

Owned and operated by local club Estudiantes, the arena is mainly used to host basketball and volleyball games.

Casanova was the main promoter of the creation of the arena, which was finally opened in 1939 with a match between Estudiantes and River Plate.

[2] In 1994, Magic Johnson played an exhibition match at Osvaldo Casanova Arena which hosted the game between Johnston's "All Star" and Estudiantes.

After the game, Magic gave former Estudiantes legend Alberto Cabrera a plaque in commemoration of the 10th.