50 free Helsinki trivia questions with answers — geography quiz, new questions added Aug 2026.
Helsinki was founded by a Swedish king to out-trade Tallinn, made a capital by a Russian tsar to spite Sweden, and rebuilt to look like St Petersburg. This Helsinki trivia quiz covers the whole arc: Gustav Vasa's failed harbour town, the plague and fires, the Sveaborg fortress, Alexander I's 1812 decision, C. L. Engel's white neoclassical centre, and the 20th-century city of the 1952 Olympics, the metro and the Kalasatama towers. You will also visit the landmarks: Suomenlinna, the Rock Church, the Sibelius Monument's 569 steel pipes, Havis Amanda and the herring market, plus geography and climate, HJK and HIFK, the world's busiest passenger port and the tunnel to Tallinn that keeps being proposed. Questions run from easy to expert, and every answer is verified and cited to its reference page. If you enjoy this quiz, try our other Nordic and world-capitals quizzes.
30 of 50 questions with answers and explanations. Play the quiz
Q 01Helsinki is the capital of which country?
Finland
About 694,000 people live in the municipality and 1.6 million in the metropolitan area.
Q 02By what Swedish name was Helsinki known in English until about 1930?
Helsingfors
The name refers to the Vanhankaupunginkoski rapids at the mouth of the Vantaa River.
Q 03On which arm of the Baltic does Helsinki sit?
Gulf of Finland
Tallinn lies 80 km south across the water; the city calls itself the Daughter of the Baltic.
Q 04Which two languages are official in the bilingual municipality of Helsinki?
Finnish and Swedish
Around 1900 the two language groups were roughly equal in size; the local slang mixed both with German and Russian.
Q 05Which king founded Helsinki in 1550?
Gustav I of Sweden
He wanted a trading rival to Hanseatic Reval (Tallinn) and ordered burghers from Porvoo, Rauma and other towns to move there.
Q 06Which Hanseatic city was Helsinki founded to rival?
Reval (Tallinn)
The shallow bay made a harbour impossible, so the settlers were eventually allowed to leave the site.
Q 07Who moved the town centre to the Vironniemi peninsula in 1640?
Count Per Brahe the Younger
That is today's Kruununhaka district, home of Senate Square and the cathedral.
Q 08What killed most of Helsinki's population in 1710?
Plague
The Russians took the town in 1713 during the Great Northern War, and the retreating Swedes torched part of it.
Q 09Which Russian emperor moved the Grand Duchy's capital from Turku to Helsinki in 1812?
Alexander I
He wanted to reduce Swedish influence and bring the capital closer to St Petersburg.
Q 10Which city was the country's capital before Helsinki?
Turku
After the Great Fire of Turku in 1827 the country's only university followed the government to Helsinki.
Q 11Which German-born architect planned Helsinki's neoclassical centre to resemble St Petersburg?
Carl Ludvig Engel
His Senate Square is flanked by the Government Palace, the university and Helsinki Cathedral, finished in 1852, twelve years after his death.
Q 12What is the epithet Helsinki gained from its neoclassical building era?
The White City of the North
It is also called the Daughter of the Baltic and the Pearl of the Baltic.
Q 13What is the oldest surviving building in central Helsinki?
Sederholm House (1757)
Q 21Which three municipalities join the capital to form the capital region?
Espoo, Vantaa and Kauniainen
Together they hold over 20 percent of Finland's population on 0.2 percent of its land.
Q 22What global distinction does greater Helsinki hold?
Northernmost city of over one million people
It is also the northernmost capital of an EU member state.
Q 23What is the country's tallest building, completed in Kalasatama in 2019?
Majakka
The 35-storey, 134 m residential tower led a wave of high-rises after decades of rejected skyscraper plans.
Most older buildings postdate the 1808 fire that destroyed about a quarter of the city.
Q 14Which architect designed Helsinki Central Station, a masterpiece of Finnish Art Nouveau?
Eliel Saarinen
The romantic-nationalist style drew heavily on the Kalevala; Saarinen also proposed an 85 m Kalevalatalo tower in 1921.
Q 15Which Summer Olympics did Helsinki host?
1952
The venues had been built for the cancelled 1940 Games; the Olympic Stadium is a listed functionalist landmark.
Q 16In what year did the Helsinki Metro open?
1982
Rapid 1970s urbanisation had tripled the metropolitan population; the line reached Espoo in 2017 and 2022.
Q 17How many islands does Helsinki span?
315
They include Suomenlinna, Korkeasaari with Finland's largest zoo, and Pihlajasaari, likened to New York's Fire Island.
Q 18What are Helsinki's official plant and animal?
Norway maple and red squirrel
The city also has 60 nature reserves and about 11,000 boat moorings.
Q 19How long is the day in Helsinki around the winter solstice?
5 hours 48 minutes
At noon the sun sits just over 6 degrees up; midsummer brings almost 19 hours of daylight.
Q 20What is the highest temperature recorded in Helsinki?
33.2 °C
Set at Kaisaniemi on 28 July 2019, it edged the 33.1 °C of July 1945; the record low is -34.3 °C.
Q 24Which Cold War films used Helsinki's neoclassical streets to stand in for the Soviet Union?
Reds and Gorky Park
The Kremlin Letter also filmed there; the Finnish government quietly told officials not to help such productions.
Q 25Which architect designed Finlandia Hall and the Stora Enso headquarters?
Alvar Aalto
Both buildings by the functionalist pioneer have divided local opinion.
Q 26Which sea fortress off Helsinki became a UNESCO World Heritage Site in 1991?
Suomenlinna
Begun by Sweden in 1748 as Sveaborg, it spans eight islands and drew on Vauban's star-fort principles.
Q 27Which admiral was given responsibility for building the Sveaborg fortress from 1748?
Augustin Ehrensvärd
It was built by the Swedish Crown as a defence against Russia and passed to civilian hands in 1973.
Q 28How many islands make up the sea fortress southeast of the city centre?
Eight
Six are fortified, and the island with the most fortifications was renamed Kustaanmiekka, 'Gustav's sword'.
Q 29How was Temppeliaukio Church, opened in 1969, built?
Excavated directly into solid rock
The Suomalainen brothers left the rough rock walls exposed, giving the 'Rock Church' its acoustics under a copper dome.
Q 30How many stainless-steel pipes make up the Sibelius Monument?
569
Sculptor Eila Hiltunen's welded cluster weighs 24 tonnes; a portrait head was added to placate critics of its abstraction.