有数の

one of the leading

→ 有数
phrase Rare #42,877
one of the leading Used to describe something as among the most prominent or notable of its kind.
JA: この町は日本有数の温泉地です。
EN: This town is one of Japan’s leading hot spring destinations.

グランド・キャニオンはアメリカ有数の人気スポットだ。

The Grand Canyon is one of the most popular destinations in the United States.