What countries have a king or quin in Asia?

There are several countries in Asia that have a king or queen as their head of state. Here are a few examples:

1. Bhutan: Bhutan is a constitutional monarchy with a king as the head of state. The current king of Bhutan is Jigme Khesar Namgyel Wangchuck.

2. Cambodia: Cambodia is a constitutional monarchy with a king as the head of state. The current king of Cambodia is Norodom Sihamoni.

3. Japan: Japan is a constitutional monarchy with an emperor as the head of state. The current emperor of Japan is Naruhito.

4. Jordan: Jordan is a constitutional monarchy with a king as the head of state. The current king of Jordan is Abdullah II bin Al-Hussein.

5. Malaysia: Malaysia is a constitutional monarchy with a king, or Yang di-Pertuan Agong, as the head of state. The position is rotated among the nine royal families of Malaysia every five years.

6. Oman: Oman is a constitutional monarchy with a sultan as the head of state. The current sultan of Oman is Haitham bin Tariq Al Said.

7. Qatar: Qatar is a constitutional monarchy with an emir as the head of state. The current emir of Qatar is Tamim bin Hamad Al Thani.

8. Saudi Arabia: Saudi Arabia is a constitutional monarchy with a king as the head of state. The current king of Saudi Arabia is Salman bin Abdulaziz Al Saud.

9. Thailand: Thailand is a constitutional monarchy with a king as the head of state. The current king of Thailand is Maha Vajiralongkorn Bodindradebayavarangkun.

It's worth noting that some of these countries also have a prime minister or other government officials who hold executive power, while the king or queen serves a symbolic or ceremonial role.