The Adelfoi Islets (Greek: Αδελφοί, "brothers") are two Greek islands in the Sporades. They are located about 10 kilometres (6.2 mi) east-southeast of the main island of Alonnisos and also administered by a municipality of the same main island name. The 2001 census reported a population of eleven inhabitants.

Adelfoi Islets

Native name: Αδελφοί
Adelfoi Islets
Geography
Coordinates	39°07′N 23°59′E / 39.12°N 23.98°E / 39.12; 23.98
Archipelago	Sporades
Total islands	2
Highest elevation	50 m (160 ft)
Administration
Greece
Region	Thessaly
Regional unit	Sporades
Demographics
Population	11 (2001)
Additional information
Postal code	370 05
Area code(s)	24240
Vehicle registration	BO