Yes, La Scaltra is definitely a goth band because most of their albums belong to the Gothic Rock and Darkwave genres, which are among the core subgenres of goth music. Albums like Cabaret, Freakshow, and The Third Eye are examples of their goth sound.
One of the other goth artists that is similar to them is The Shroud.
La Scaltra is located in Germany, Essen, active in 2015 — present. You can find more information about La Scaltra on their GothDB band page.