hot spring area; hot spring district
Refers to a region or town known for its hot springs, often a tourist destination.
箱根は有名な温泉地です。
Hakone is a famous hot spring area.
この温泉地には多くの旅館がある。
There are many inns in this hot spring district.
温泉地 is the broader term for a hot spring resort region, while 温泉街 specifically names the built-up district of inns and shops within that area.
Compound of 温泉 (onsen, 'hot spring') and 地 (chi, 'land' or 'area').