Trelles is one of seven parishes (administrative divisions) in the Coaña municipality, within the province and autonomous community of Asturias, in northern Spain.
The population is 292 (INE 2007).
Coordinates: 43°29′16″N 6°44′2″W / 43.48778°N 6.73389°W / 43.48778; -6.73389
Étrelles (Breton: Stredell, Gallo: Estrèll) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
Inhabitants of Étrelles are called Étrellais in French.