Emery Reves was Churchill's American publisher, as well as a close friend and Churchill often visited Emery and his wife Wendy Russell Reves at their villa, La Pausa, in the South of France, which had originally been built in 1927 for Coco Chanel by her lover the 2nd Duke of Westminster. The villa was rebuilt within the museum in 1985 with a gallery of Churchill paintings and memorabilia.
Source: Wikipedia