Yes, Ciam (סיאם) could be considered a goth band because they play Gothic Rock, which is a core subgenre of goth music. Albums like War And Peace And Inbetween, War & In Between, and Tel Aviv Downtown are examples of their goth sound.
Ciam (סיאם) is located in Israel, active in 1983 — 1990. You can find more information about Ciam (סיאם) on their GothDB band page.
Want to check if another band is goth? Search other bands.