Borås Arena is a football stadium in Borås, Sweden. It is the home ground of IF Elfsborg and Norrby IF and was opened in 2005. Borås Arena has an artificial turf pitch, GreenFields MX by GreenFields, and has a capacity of 14,500–17,800 depending on usage. Both clubs presently using the stadium previously had Ryavallen as their home ground. Until recently it was the only stadium in Allsvenskan built in the last 40 years.