To find tags, go to Administration and press 'Tags':
You may see some existing tags and tag categories. To change existing ones or add new ones, just press either the Pencil or 'Add a tag' button:
Name the tag the way you like:
To change the name of existing tag category or to add a new one, press the Pencil button or 'Add a tag category':
Tags can be used to group places together, making it easier for you to manage user rights and produce statistics.