土俵

The place where Rikishi Fight.

Keiko Dohyou in a Heya's Keikoba is flat, i.e. is not elevated with respect to the soil around it.

Tournament Dohyou is elevated. The height is between 1 Shaku 2 Sun (36.36 cm) and 2 Shaku (60.6 cm).

It is of a square shape, each side measures 18 Shaku (545.4 cm).

The fighting area is a circle 15 Shaku (454.5 cm) in diameter.