King Abdulaziz Medical City in Riyadh was established by a royal decree in May 1983. With a bed capacity of 690 beds, it provides all types of care to all National Guard soldiers and their families, starting from primary health care up to tertiary specialized care. Today, It became a recognized center on the international level in conjoined twin separation surgery. It is the first center all over the world with 100% successful rate in twin separation surgery.