Saint Petersburg
Former twin towns

Italian cities Milan and Venice were formerly twin cities of Saint Petersburg, but suspended this link due to St. Petersburg's ban on "gay propaganda". Milan suspended the relationship with Saint Petersburg on 23 November 2012 and Venice did so on 28 January 2013.

Shortly after the beginning of the Russian invasion of Ukraine, Gdańsk, Warsaw, Aarhus, Melbourne, Kotka, Turku, Riga and Tallinn terminated or suspended the cooperation, affiliation or sister city relationship with Saint Petersburg. On 17 March 2022, Košice joined the list of cities terminating the partnership. The cooperation began in 1995.
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