Koromilia, Kastoria

Koromilia (, before 1928: Σλίβενη - "Sliveni") is a small rural village, part of the municipal unit Agia Triada, Kastoria regional unit, Greece. 
It is famous in this region for its natural water springs. In the 19th century, Koromilia had an Albanian Muslim population. It was known as "Sliveni" among the Bulgarians of the surrounding villages.