This week the top of the world is heading for the south of France and Switzerland. The 2015 edition of the CSI5* Athina Onassis Horse Show takes place this weekend in the beautiful settings of St. Tropez, France. The event of course welcomes a fantastic field of riders, with top names such as Scott Brash, Daniel Deusser, Rodrigo Pessoa, Meredith Michaels-Beerbaum, Luciana Diniz, Penelope Leprevost and last year's Grand Prix winner Patrice Delaveau on the entry list. CLICK HERE FOR THE ENTRY LIST Also the CSIO5* Nations Cup event in St. Gallen, Switzerland takes place this week - with the Furusiyya FEI Nations Cup on Friday as one of the highlights. The home team, France, Germany, Belgium and Ireland will fight for points at this fourth leg of Europe Division 1. In addition Great Britain, Italy and Netherlands send teams to the Swiss event. CLICK HERE FOR THE ENTRY LIST