Yes, Autumn of North is definitely a goth band because most of their albums belong to the Gothic Rock genre, which is a core subgenre of goth music. Albums like From Adversity To The Stars and From Adversity To The Stars EP are examples of their goth sound.
Autumn of North is located in United Kingdom, England, Sheffield, active in 1991 — present. You can find more information about Autumn of North on their GothDB band page.