The event has been created by Eleven Events and will house 10,000 campers at Clapham Common, London.
It is being marketed as Britain's Big Royal Wedding Weekend Sleepover, and is charging £75 per person to camp on Clapham Common for three nights from 28 April to 1 May.
National Express has become the official travel partner for the event, offering an all-in ticket option on its website. Consumers can buy camping tickets and a return coach trip from 35 UK locations direct to London Victoria coach station.
The campsite will have hot showers, wash and toilet facilities, a dedicated "quiet zone", "family zone" and "glamping zone". A 20 metre television screen will broadcast live coverage of the wedding and a brand tie-up with Yorkshire Tea provides campers with a free cup of tea each morning.
Clapham Common will have a licensed entertainment area with hot food stalls, a bar and music performances.
The location has been chosen for its proximity to Westminster. The site is a 10-minute tube journey to Embankment, from where people can easily walk to Parliament Square.
Dan Cotter, spokesman for Camp Royale, said: "We have had an amazing response to Camp Royale so far with numerous goodwill offers from brands, partners and local businesses who want to be part of the big day and global media spotlight.
"We hope that this affordable option will appeal to people who thought they couldn't afford to join in the fun."
Last week, the , to steal a march on rival newspapers' coverage of the Royal Wedding.
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