The Sts'ailes Nation formerly known as Chehalis First Nation /ʃəˈheɪlɪs/ (Halkomelem: Sts'a'í:les) is the band government of the Sts'Ailes people, whose territories lie between Deroche and Agassiz, British Columbia.[1] The Sts'Alies are a Halkomelem-speaking people but are distinct historically and politically from the surrounding Sto:lo peoples.