Yes, Kadeadkas is definitely a goth band because most of their albums belong to the Deathrock genre, which is a core subgenre of goth music. Albums like HalluciNation and Plastique Palace are examples of their goth sound.
Kadeadkas is located in Germany, North Rhine-Westphalia, Cologne, active in 2016 — present. You can find more information about Kadeadkas on their GothDB band page.