Children's Castle (''Lastenlinna'') is a

children's hospital A children's hospital is a hospital that offers its services exclusively to infants, children, adolescents, and young adults. In certain special cases, they may also treat adults. The number of children's hospitals proliferated in the 20th ...

Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

. It is part of

Helsinki University Central Hospital Helsinki University Central Hospital (HUCH; fi, Helsingin seudun yliopistollinen keskussairaala; sv, Helsingfors universitets centralsjukhus) is a hospital network in Finland. It is one of the largest hospitals in Europe. It encompasses 17 hospi ...

. The hospital was established in 1917 in the Kallio district of Helsinki. The building was designed by the

Finnish Finnish may refer to: * Something or someone from, or related to Finland * Culture of Finland * Finnish people or Finns, the primary ethnic group in Finland * Finnish language, the national language of the Finnish people * Finnish cuisine See also ...

architect An architect is a person who plans, designs and oversees the construction of buildings. To practice architecture means to provide services in connection with the design of buildings and the space within the site surrounding the buildings that h ...

Elsi Borg Elsi Naemi Borg (October 3, 1893 – December 30, 1958) was a Finland, Finnish architect. Life She was born in Nastola and died in Helsinki. She graduated from Helsinki University of Technology in 1919. She designed the infamous children’s hos ...

. Its current building in Taka-Töölö was completed in 1948. Pediatrician

Arvo Ylppö Arvo Henrik Ylppö (27 October 1887 – 28 January 1992) was a Finnish physician and professor of pediatrics who significantly decreased Finnish infant mortality during the 20th century. He is credited as the father of Finland's public mat ...

was the hospital chief of Children's Castle from 1920 to 1963.