Spain's King Juan Carlos met here Wednesday with 181 members of Keren Hayesod - United Israel Appeal, considered to be the world's most important Jewish philanthropic organization, which is holding its biennial meeting in Madrid.

The event marked the first time the monarch had left his residence at Zarzuela Palace since he underwent hip surgery on Sept. 24.

Spanish Prime Minister Mariano Rajoy met on Tuesday with members of Keren Hayesod, among whom were U.S. magnate Sheldon Adelson, the owner of the Las Vegas Sands company and promoter of the Eurovegas complex in suburban Madrid.

The king, who is scheduled to undergo another surgical procedure on Nov. 21, stood to greet Spanish Foreign Minister Jose Manuel Garcia-Margallo, Israeli Ambassador Alon Bar, Spain's envoy for relations with the Jewish community, Alvaro Albacete, and a dozen Keren Hayesod leaders.

Founded in 1920, Keren Hayesod has 60 offices in 40 countries and its executive council meets every other year in a different city. For the 2013 meeting, that chosen city was Madrid, which competed with Sao Paulo and Moscow. EFE