On behalf of Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh Region, Undersecretary of the Governorate of Riyadh Region Dr. Faisal bin Abdulaziz Al-Sudairy attended a ceremony held by the Embassy of the Republic of Turkmenistan here this evening. The event was held on the occasion of the national day of Republic of Turkmenistan.