This is the 3265th most frequent Japanese word.
岩見沢
"Iwamizawa" is a city located in Hokkaido, Japan.
Here, 岩見沢 (Iwamizawa) is used as a proper noun referring to a specific place name.
岩見沢は北海道にある街です。
Iwamizawa is a town located in Hokkaido.
The term 岩見沢 is again a proper noun here, indicating the destination of the travel action.
私は夏休みに岩見沢へ旅行しました。
I traveled to Iwamizawa during summer vacation.
In this context, 岩見沢 identifies the locality where the melons are purchased, emphasizing its connection to a regional specialty.