Korean Family Titles
고모
gomo · Aunt (father's sister)
Relationship
my father → his sister
Who uses it
About your father's sister.
When you call them
Call her 고모; her husband is 고모부.
When you talk about them
To others, 고모.
Example
고모, 이 반찬 고모가 만드신 거예요?Aunt, did you make this side dish?
Based on the standard etiquette of the National Institute of Korean Language; families and regions vary.