Directions:

Helsinki was originally called Helsingfors (Swedish). "Suomi" is the Finnish name for either the country or the language.
Key sites in Helsinki include:
The train station ("Helsingin rautatieasema" in Finnish, "Helsingfors järnvägsstation" in Swedish), Asema-aukio - N60 10.27 E24 56.48.
The Silja Line, Port of Helsinki, Olympiaranta 3 - N60 09.62 E24 57.50.
Gadolininkatu (Gadolinsgatan in Swedish), named after Gadolin, the discoverer of yttrium; this is in the Kumpula Campus (science faculty) of the University of Helsinki - N60 12.38 E24 57.88.
Chemicum, the chemistry building of the Kumpula Campus, A. I. Virtasen aukio 1 - N60 12.32 E24 57.79.
Linnanmäki ("Castle's Hill") Amusement Park, Tivolikuja 1 (charming advertisements all over Helsinki) - N60 11.39 E24 56.37.
Location "1," Upsenski Cathedral, prominent skyline feature, Pormestarinrinne 1 - N60 10.11 E24 57.61.
Location "2," Helsinki Cathedral, prominent skyline feature, Unioninkatu 29 - N60 10.22 E24 57.12.