The Costume Museum of Kastoria (Greek: Ενδυματολογικό Μουσείο Καστοριάς) located in the northern Greek city of Kastoria, opened in 1999 and is run by "Harmony", a music and literary association. It is housed in the residence of the Emmanouil brothers, a two-storey building of the 18th century on the edge of Kastoria lake.