THE CUSTODIAN OF THE TWO HOLY MOSQUES KING ABDULLAH BIN ABDULAZIZ AL SAUD HELD AT HIS PALACE HERE ON SATURDAY EVENING A DINNER PARTY IN HONOR OF SPAIN'S KING JUAN CARLOS AND HIS ACCOMPANYING DELEGATION. THE PARTY WAS ATTENDED BY PRINCE ABDULRAHMAN BIN ABDULAZIZ, DEPUTY MINISTER OF DEFENSE AND AVIATION AND INSPECTOR GENERAL: PRINCE FAHD BIN MOHAMMED BIN ABDULAZIZ: PRINCE MITEB BIN ABDULAZIZ, MINISTER OF MUNICIPAL AND RURAL AFFAIRS: PRINCE NAIF BIN ABDULAZIZ, MINISTER OF INTERIOR: PRINCE SALMAN BIN ABDULAZIZ, THE GOVERNOR OF RIYADH REGION: A NUMBER OF PRINCES: MINISTERS AND SENIOR OFFICIALS.