Wireless power supply system

A wireless power supply system configured to supply power to an electrical device by wireless power supply, the electrical device equipped with a power receiving unit including a power receiving coil, the wireless power supply system comprising:

• a flat surface on which the electrical device is placed;
• a power transmitting unit including a power transmission coil disposed below the flat surface, the power transmitting unit configured to supply power to the power receiving unit by the wireless power supply;
• and
• a standing portion protruding from the flat surface and defining, on the flat surface, a boundary between an outside and an inside of a placement area for the electrical device to supply power from the power transmitting unit to the power receiving unit by the wireless power supply,
• wherein the standing portion is disposed, on the flat surface, outside a placement allowable area for the power receiving coil to supply power from the power transmitting unit to the power receiving unit by the wireless power supply.