delete_events_by_location.gs

function myFunction() {
  var cals = CalendarApp.getAllCalendars();
  for(var i=0; i<cals.length; i++){
    Logger.log(cals[i].getName())
    var events = cals[i].getEvents(new Date(2016, 1 ,1), new Date(2016, 12, 31))
     for(var n=0; n<events.length; n++){
       Logger.log(events[n].getTitle())
       if (events[n].getLocation() == "東京都港区高輪") {
         events[n].deleteEvent()
       }
     }
   }
}