In Azerbaijan, the remaining Germans are concentrated in the capital city of Baku, and many belong to the Evangelical Lutheran Community restored and officially registered in the early 1990s. The last German resident of Goygol (Helenendorf), Viktor Klein, died in 2007. The city has nowadays over 400 buildings whose construction dates back to the German period. In 2015, according to Klein's will, his familial house, built by his grandfather in 1886, was turned into the Museum of Caucasus German History. The former Lutheran church of Ganja has housed the Ganja State Puppet Theatre since 1986. In 2009, the non-functioning Lutheran church in Shamkir (and into which Annenfeld was absorbed), which had been used as a community centre in the Soviet era, was renovated and turned into a museum. Yunis Hajiyev, born in 1928 to an Azeri father and a German mother, and his descendants are said to be the last family of German origin still residing in Shamkir as of 2018. Gadabay's German population left by 1922 after the exhaustion of the copper industry. The Lutheran church of the town was razed by the Soviet government in the 1920s.