If referring to a classical stadium, i.e. a semi-circular running track then the plural is stadia. If referring to a modern-day multi-event stadium, then the plural is stadiums. Generally though both forms of the plural are acceptable.
Stadium is a noun.
The most common plural of "stadium" is "stadiums", formed in the usual way by adding an "s" to the end of the word. "Stadia" is also correct, but it is not widely used, and many people will think you are trying to sound better educated and superior if you use it.
City of Coventry Stadium, Olympic Stadium, Wembley Stadium, Millennium Stadium.
no and they are making a new stadium
City of Coventry Stadium, Millennium Stadium, Olympic Stadium, Wembley Stadium.
City of Coventry Stadium, Millennium Stadium, Olympic Stadium, Wembley Stadium.
City of Coventry Stadium, Millennium Stadium, Olympic Stadium, Wembley Stadium.
City of Coventry Stadium, Millennium Stadium, Wembley Stadium, Olympic Stadium.
Zafar Ali Stadium, SahiwalSports Stadium, SargodhaSouthend Club Cricket Stadium, KarachiSheikhupura StadiumRawalpindi Cricket StadiumPindi Club Ground, RawalpindiPeshawar Club GroundNiaz Stadium, HyderabadNational Stadium, KarachiMultan Cricket StadiumJinnah Stadium, SialkotJinnah Stadium, GujranwalaIqbal Stadium, FaisalabadIbn-e-Qasim Bagh Stadium, MultanGaddafi Stadium, LahoreBugti Stadium, QuettaBahawal Stadium, BahawalpurBagh-e-Jinnah, LahoreAyub National Stadium, QuettaArbab Niaz Stadium, Peshawar
CIty of Coventry Stadium, Millennium Stadium, Olympic Stadium, Wembley Stadium.
Yankee Stadium was the name of the first stadium as well as the current stadium.