Castello Orsini-Odescalchi is a castle in Bracciano, in the Province of Rome, Lazio, Italy. It is located on the southern shore of Lake Bracciano. It was built in the 15th century, and combines the functions of a military defence structure and a civilian residence of the feudal lords of the period, the Orsini and Borgia, both papal families. As one of the largest and best-maintained castles in Italy, it also houses a museum; as a centre of cultural events, the Castello has hosted several high-profile weddings like the ones of Tom Cruise/Katie Holmes.

Ceri is a small town in the Lazio region It occupies a fortified plateau of tuff at a short distance from the city of Cerveteri. Inhabited before the 7th century BC, the town's native population changed several times, from Etruscans to Romans. Numerous tombs from the Etruscan and Roman periods can be found in the area. The town as it looks today was founded in 1236 when the inhabitants of its Caere neighbour abandoned the former to be better protected by rock formations. In the same period, the castle was constructed for the defence of the town.

Lake Bracciano is a lake of volcanic origin in the Italian region of Lazio, 32 km (20 mi) northwest of Rome. It is the second largest lake in the region (second only to Lake Bolsena) and one of the major lakes of Italy. It has a circular perimeter of approximately 32 km (20 mi). Its inflow is from precipitation runoff and percolation, and from underground springs, and its outflow is the Arrone.