noun
Spanish Sahara
Historical name for the former Spanish colony in northwestern Africa, now Western Sahara.
スペイン領サハラは1975年までスペインの植民地だった。
Spanish Sahara was a Spanish colony until 1975.
西サハラ is the modern name for the territory, while スペイン領サハラ refers specifically to the colonial period.
Compound of スペイン (Spain) + 領 (territory) + サハラ (Sahara).