Closterkeller is a Polish gothic rock band from Warsaw.

It was formed in 1988 by Przemysław Guryń, Jacek Skirucha, and the vocalist Anja Orthodox.

Orthodox is the only member of the original line-up, performing continuously for over 30 years.

The band is called one of the forerunners of gothic and atmospheric rock in Poland.

[3] They are also influenced by other music styles such as new, cold wave, and heavy metal.