Only members of the wedding party will be staying at the Chateau de Courtomer. All other guests will need to book their own accommodations (check out our Travel Page).
Just a valid passport! A valid passport can't expire within 3 months of traveling to France, so if your passport expires November 20th, 2020 or earlier, you will need to renew it. No visa is needed.
You'll need to bring travel clothes, comfortable shoes for exploring, casual cute evening outfits, cocktail attire for the rehearsal dinner, semi-formal clothes for the wedding, and casual clothing for the BBQ farewell.