The venue of the wedding.
Relax in the luxurious (and historical ;) ) Abbey Gardens. Explore the ruins of the old Abbey, look at the birds and grab an icecream.
If you have time to spare we would recommend visiting or staying in the beautiful village of Lavenham. Lavenham contains many quaint cafes, independent shops and nice pubs. Fun fact: Lavenham once played a central part in the wool trade in the UK leading it to become one of the wealthiest in the area.
Fancy another historical detour? Sutton Hoo - featured in the recent historical film "The Dig" (staring Ralph Fiennes (AKA Lord Voldemort) and Carey Mulligan) is surely a site of great historical interest.
Also a site of great historical interest? Only time will tell...
The former home of the landscape painter Thomas Gainsborough is located in Sudbury. It is now a museum dedicated to showcasing his life and works.