<Tr> <Th> Founded by </Th> <Td> iHeartRadio (iHeartMedia, Inc .) </Td> </Tr> <Tr> <Th> Website </Th> <Td> festival.iheart.com </Td> </Tr> <P> The iHeartRadio Music Festival is a two - day music concert festival held each year in September since 2011 by iHeartRadio along the Las Vegas Strip in Las Vegas, Nevada, United States . </P> <P> From 2011 to 2015, the festival was held at the MGM Grand Garden Arena in Las Vegas, Nevada . In 2013, iHeartRadio added the free Daytime Village at the iHeartRadio Music Festival which takes place at the Las Vegas Village . In 2016, the iHeartRadio Music Festival moved to the T - Mobile Arena (in unincorporated Paradise), and has hosted the main portion of the festival since . </P>

Where was the iheart country music festival held