Saint Petersburg (Russia)
(~ 1 953 245 citizens)
City Mayor: Georgiy Poltavcenko (since 31.08.2011).
Until 2006 the cooperation of Riga with Saint Petersburg was regulated by the protocol on cooperation between the Riga City Council and the Saint Petersburg administration with the Annex „International cooperation programmes in the Baltic region”.
On March 23rd, 2006, during the Saint Petersburg Days, a new agreement on cooperation in the areas of trade, economics, science, technology, tourism and culture was signed between the Riga City Council and the Saint Petersburg Government.