The grey granite obelisk "Memorial to the Gustaf II Adolf Diet" was designed by Brunila and was erected in 1932 by the Historical societies. Birger Brunila made a notable career as Helsinki's urban planner during 1917-48.
The inscription on the obelisk reads: "Täällä vanhassa Helsingissä Kustaa II Adolf piti kokousta Suomen säätyjen kanssa turvattuaan uuden itärajamme" (Translation: "After having ...
Kustaa Aadolfin puisto, Vanhakaupunki
00650 Helsinki