Have a look at these sites to know more about this amazing event!!
http://earthsky.org/tonight/is-biggest-and-closest-full-moon-on-june-23-2013-a-supermoon
And enjoy these pictures... and your summer holidays!!
http://news.nationalgeographic.com/news/2013/06/pictures/130624-supermoon-2013-pictures-biggest-full-moon-science-space/