In ancient Greece, what was known as palestra?

A palaestra was the site of ancient Greek wrestling schools. Events that did not require a lot of space, such as boxing and wrestling, were practised there. The palaestra functioned both independently and as a part of public gymnasia; a palaestra could exist without a gymnasium, but no gymnasium could exist without a palaestra.

The architecture of the palaestra, although allowing for some variation, followed a distinct, standard plan. The palaestra essentially consisted of a rectangular court surrounded by colonnades with adjoining rooms. These rooms might house a variety of functions: bathing, ball playing, undressing and storage of clothes, seating for socializing, observation, or instruction, and storage of oil, dust or athletic equipment.