On behalf of Prince Salman bin Abdulaziz, the Governor of Riyadh Region, Prince Dr. Abdulaziz bin Ayyaf Al Miqrin, Mayor of Riyadh City, attended here today Holland Embassy's celebration party on the occasion of its country's national day . Upon arrival at the venue, he was received by Holland's Ambassador to the Kingdom Nicola Breetx and embassy members. The party was attended by a number of diplomatic members accredited to the Kingdom.