This is the 7599th most frequent Japanese word.
利尻
Rishiri (利尻) refers to Rishiri Island, located off the northwest coast of Hokkaido, Japan.
Here, '利尻' is used as part of the name of a geographic place, specifically '利尻島' which refers to Rishiri Island.
利尻島は北海道にあります。
Rishiri Island is located in Hokkaido.
In this sentence, '利尻' is used to describe a specific type or origin of kelp, '利尻昆布', indicating that the kelp comes from the Rishiri area.
私は利尻昆布を使って料理を作ります。
I use Rishiri kelp to prepare dishes.
Here, '利尻' is utilized as part of the name of a municipality, '利尻町', referring to Rishiri Town.