Analysis of information sources in references of the Wikipedia article "Poronin" in English language version.
On 7 August their holiday home in Poronin, near Zakopane, was raided by Austrian police. [...] The following day, Lenin was arrested. Through the good offices of the Austrian Social-Democratic leader, Victor Adler, he was released and Lenin and Krupskaya were able to leave, via Vienna, for neutral Switzerland where they arrived on 5 September.
Lenin had moved to Krakow, in Austrian Poland, in 1912. After the outbreak of war in 1914 he was deported to Switzerland.
