Selangor is located on the west coast of Peninsular Malaysia. It is one of the most developed states in Malaysia and boasts the highest GDP.
The Sultan of Selangor is the constitutional Ruler of Selangor.
The current Sultan is Sharafuddin Idris Shah, who was born on December 24th 1945. He is the 9th Sultan and ascended to the throne in November 2001.
The date of the Sultan's birthday is honorific and does not change with each new Sultan.