Yes, The Tears of Blood 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 Caminho Obscuro and In The Way Of The Soul are examples of their goth sound.
The Tears of Blood is located in Brazil, active in 2000 — present. You can find more information about The Tears of Blood on their GothDB band page.