Helsinki County Prison
Corporate brand
UnclaimedA former prison in Helsinki, Finland, that operated from 1837 until 2002 and was later converted into a hotel.
Last updated August 26, 2026
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Overview
Helsinki County Prison was a historic correctional facility in the Katajanokka district of Helsinki, Finland. Known in Finnish as Helsingin lääninvankila, it operated for approximately 165 years, from 1837 until 2002. The institution was established during the period of Russian rule in Finland by order of Tsar Nicholas I, beside Helsinki Crown Prison, an older facility that had operated since 1749. It formed part of the development of Helsinki's modern penal infrastructure and remained in use after Finland became independent in 1917. The original complex was comparatively small. When completed, it contained 12 cells, two guard rooms, and a worship room. The worship room has survived and has subsequently been used for church weddings. The prison grounds were enclosed by a tall red-brick wall, giving the facility a strongly fortified urban character. In 1888, the site was expanded with a cross-shaped cell block based on the classical Philadelphia prison model. The earlier section was then adapted for administrative use. This combination of older and newer structures shaped the architectural identity of the complex. The prison also became associated with several significant episodes in Finnish political and wartime history. During the Second World War, an air raid on 6 February 1944 directly struck the prison. One guard was killed, a fire broke out, and five prisoners escaped during the confusion. In the postwar period, several prominent prisoners connected with Finland's war-responsibility trials were held there, including former President Risto Ryti and former Prime Minister Väinö Tanner. The Estonian-born writer Hella Wuolijoki was imprisoned at the facility after being convicted of high treason during the Second World War. Martta Koskinen, a seamstress and communist underground operative convicted of high treason, was also held there before her execution in 1943; she is generally identified as the last woman executed in Finland. In its final phase, the institution primarily served as a remand prison. Arrested suspects were held there while awaiting trial, and some inmates were imprisoned for failing to pay court-imposed fines. In 2001, the name was changed to Helsinki Remand Prison to reflect this function more accurately. Prison operations ended in 2002 after the completion of a new prison in Vantaa. The protected historic buildings were subsequently renovated under heritage-preservation constraints and reopened in 2007 as a hotel. The former prison is therefore no longer an operating correctional institution, but remains a notable example of Helsinki's penal, architectural, and wartime history.
History
Helsinki County Prison was established in 1837 in Katajanokka, Helsinki, during the period when Finland was an autonomous grand duchy within the Russian Empire. It was founded beside Helsinki Crown Prison, an earlier prison dating from 1749, and was created by order of Tsar Nicholas I. The new institution initially had a compact plan consisting of 12 cells, two rooms for guards, and a worship room. A high red-brick perimeter wall enclosed the grounds and separated the prison from the surrounding urban district. The facility was enlarged in 1888, when a cross-shaped cell block was built according to the classical Philadelphia model of prison design. The earlier prison structure was converted into an administrative building, while the new cell block provided the principal accommodation for inmates. The worship room survived as part of the historic complex and later acquired a new community function, including use for church weddings. The prison continued in service after Finland declared independence in 1917. Its history included both ordinary custodial work and episodes linked to national political conflict. During the Second World War, the prison was hit directly by an air raid on 6 February 1944. One guard died, a fire began, and five prisoners escaped in the confusion caused by the attack. In the aftermath of the war, the facility held several prisoners connected with Finland's war-responsibility trials. Among them were Risto Ryti, Finland's former president, and Väinö Tanner, a former prime minister. Hella Wuolijoki, an Estonian-born writer, was imprisoned there after a high-treason conviction related to the wartime period. Another notable prisoner was Martta Koskinen, a seamstress and communist spy convicted of high treason. She was executed by firing squad on 29 September 1943 and is remembered as the last woman executed in Finland. During its final decades, the institution increasingly operated as a remand prison rather than primarily as a long-term penitentiary. It held people arrested while they awaited trial, as well as some prisoners who had failed to pay fines imposed by courts. To reflect this custodial role, the official name changed to Helsinki Remand Prison in 2001. The facility closed completely in 2002 after a new prison was completed in Vantaa. The former prison buildings were retained because of their architectural and historical significance. Renovation was carried out within the restrictions associated with a protected landmark. In 2007, the complex reopened as a hotel, marking its transition from an active state prison to adaptive reuse. The site's surviving buildings and former worship room preserve evidence of Helsinki's nineteenth-century penal architecture, wartime experience, and changing approach to historic urban property.
- 2007
Historic complex reopens as a hotel
[1]The protected prison buildings were renovated and adapted for hotel use.
- 2002
Prison closes
[1]Operations ended after the completion of a replacement prison in Vantaa.
- 2001
Name changes to Helsinki Remand Prison
[1]The institution adopted a name reflecting its principal late-period role as a remand facility.
- 1944
Air raid damages the prison
[1]A direct air strike on 6 February killed one guard, caused a fire, and enabled five prisoners to escape.
- 1943
Martta Koskinen is executed
[1]Martta Koskinen, a prisoner associated with the facility, was executed for high treason on 29 September and is regarded as the last woman executed in Finland.
- 1888
Cross-shaped cell block is added
[1]The complex was expanded with a cross-shaped cell block influenced by the Philadelphia model, while the original section became an administrative building.
- 1837
Helsinki County Prison is established
[1]A new prison was established in Katajanokka by order of Tsar Nicholas I, beside the existing Helsinki Crown Prison.
- 1749
Helsinki Crown Prison begins operating
[1]The older Helsinki Crown Prison, beside which Helsinki County Prison would later be established, began operating.
Products and positioning
A historic Finnish correctional facility and protected architectural site rather than a commercial consumer brand.
Brand decisions
2002
Closure and transfer to a new Vantaa prisonStrategyBackground
The historic Helsinki facility was superseded by a newly completed prison in Vantaa.
Action taken
All prison operations at the Katajanokka site ceased.
Aftermath
The protected buildings were preserved, renovated, and subsequently adapted for hotel use.
2001
Reclassification as a remand prisonStrategyBackground
By its final years, the facility primarily held arrested suspects awaiting trial rather than serving as a general long-term prison.
Action taken
The institution was renamed Helsinki Remand Prison to reflect its operational role.
Aftermath
The facility closed the following year when replacement capacity became available in Vantaa.
1888
Expansion using the Philadelphia prison modelGeneration changeBackground
The original prison required additional capacity and a more developed custodial layout.
Action taken
A cross-shaped cell block was constructed, and the older section was reassigned for administrative purposes.
Aftermath
The expanded complex remained the principal prison site until its closure in 2002.
Sources1 sources
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