class Article(models.Model): site = models.ForeignKey(Site) title = models.CharField(max_length=100) body = models.TextField() pub_date = models.DateTimeField() class Admin: # In this example, the Admin's object list will show *only* Articles # which are related to the current Site. # However, you could specify any Manager you like: # manager = MyCustomManager() from django.contrib.sites.managers import CurrentSiteManager manager = CurrentSiteManager()