在

在

"在" means "to exist," "to be located," or "to be present."

在 here is used as part of '在する' to indicate 'to exist or stay at a place.'

彼は事務所に在しています。

He is present in the office.

在 is used as part of '在る' to imply 'to exist, particularly in relation to non-physical matters or problems.

この地域における経済発展には、多くの問題が在ります。

In the economic development of this region, there are many issues.

在 is used within '在る' to signify the physical location or existence of an object.

その建物は市の中心に在ります。

The building is located at the city center.