이 중 약 1,300여 명이 조선인이었으며 그들과 그 가족이 생활하고 있던, 1943년에 건조된 합숙소(숙박시설)가 현재 우토로의 전신이다.
Of these, about 1,300 were Koreans, and the family housing (the accommodation) that was built in 1943, which they and their families lived, is now the predecessor of Utoro.