This is the 6948th most frequent Japanese word.
マウイ
Maui (a Hawaiian island).
Here, 'マウイ' (Maui) is used as a proper noun referring to the geographical location 'Maui Island' in Hawaii.
昨日、マウイ島に行きました。
Yesterday, I went to Maui Island.
In this sentence, 'マウイ' refers to the given name of a mythological figure.
マウイという名前の神話の英雄がいる。
There is a mythical hero named Maui.
Here, 'マウイ' refers to the place, emphasizing its characteristics such as its natural beauty.