also: だいにのふるさと
expression, noun
second home; home away from home
Refers to a place where one feels as comfortable and attached as in one's hometown, often used for a city or country where one has lived for a long time.
長年住んだこの街は、私にとって第二の故郷です。
This city where I've lived for many years is my second home.
留学先の国が第二の故郷になった。
The country where I studied abroad became my home away from home.