To get to this service, just click at People & sharing at the left menu panel in Google account page. In this page, you can mange your contact, location sharing and your public information.
The contact is not just email contact but also contact on your android devices. You can change information, add new contact or delete them here.
The location sharing is disabled according to the university IT policies.
For your public information that you would like to show when someone found your profile can be setup in “About Me” section.