Prosilio (Greek: Προσήλιο, literally "sunward place", before 1927: Δοβίσδανα - Dovisdana[2]) is a village in the municipal unit of Tzoumerka (Ioannina, Epirus), Greece.

It is situated on a mountainside of the Athamanika mountains, at 900 m elevation.

[1] Prosilio is one of the Aromanian-speaking villages of Tzoumerka (including Syrrako, Kalarites, Matsouki, Palaiochori and Vathypedo).

The community Dovisdana was created in 1919 (Law 184A - August 19), and was renamed Prosilio in 1928 (Law 81A - May 14).

The community became a part of the municipality of Tzoumerka and became a municipality district under Law 244A on December 4, 1997.