Saudi Crown Prince Mohammed bin Salman arrived in Osaka on Thursday morning ahead of the G20 summit.
Mohammed bin Salman and US President Donald Trump are also expected to have breakfast on the sidelines of the summit.
Leaders of 19 of the most influential countries in the world and the European Union will meet in Osaka on Friday and Saturday for the 14th G20 summit to discuss climate change, free trade, and economic inequalities among other issues.