Unable to add new location location in Geography hierarchies?

Summary:

Unable to add new location location in Geography hierarchies?

Content (required):

Hi Team,

We are trying to add new location in geography structure but we are not able to see that location name.

Location Name :- Washington, LA

Let me know if I need to add above location name some where else before add here.

Version (include the version you are using, if applicable):

23A

Code Snippet (add any code snippets that support your topic, if applicable):