The world health organization has recognized the city of ____ in the kingdom of Saudi Arabia , among the world's healthiest city .
Explanation
Medina has a population of over 2 million.
The World Health Organization has also issued a certificate in this regard.
The Minister of Health of Saudi Arabia presented the certificate of a healthy city issued to Medina by the World Health Organization to the Governor of Medina, Prince Faisal bin Salman.
