In the charming town of Nemi, dating back to Roman times on the edge of a lake and only 20 miles from Rome, you find this small complex with only eight appartements and the absolutelly best Italian restaurant: Villa Diana.
A one bedroom flat with a huge balcony facing the lake is for rent during the week of June 28 - July 4th, 2015.
The appartment sleeps two and has a daybed/couch that converts to a full sized bed.
$500 for one week.
Below you can see the official website of the timeshare complex Villa Diana, the information is in Danish but the pictures are great and it has several links to historical sites in the region.