Hansen's disease sanatorium; leprosarium
Refers to a medical facility for patients with Hansen's disease (leprosy). The term ハンセン病 is the modern, non-discriminatory name for the disease, replacing older terms like 癩病.
There are thirteen national Hansen's disease sanatoriums across the country.
ハンセン病 is the disease itself; ハンセン病療養所 is the facility where patients are treated or reside.
療養所 is a general sanatorium or convalescent hospital; ハンセン病療養所 specifies one for Hansen's disease.
Compound of ハンセン病 (Hansen's disease, from the name of the Norwegian physician Gerhard Armauer Hansen) and 療養所 (sanatorium).