Yes, Strange Dolls Cult 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 Ruins of Western Civilisation and Puppets Dance are examples of their goth sound.
Some of the other goth artists that are similar to them are Phaidia and †13th Moon†.
Strange Dolls Cult is located in Austria, Vienna, active in 2005 — 2009. You can find more information about Strange Dolls Cult on their GothDB band page.