You may have noticed that some of your events in Google Calendar have additional information on them that used to not be there before. Google Calendar now displays the location of your events in day and week views. Previously, you had to click on the event itself in order to see the location of the event. Note that all of your events may not display the location. This feature only works for events that are long enough such that the text can fit in the "box" that contains your event in Google Calendar.
Learn more about the new feature from Google here.