Thai royal ranks and titles

The precedence of Thai royalty follows a system of ranks known as thanandon (Thai: ฐานันดร), which are accompanied by royal titles. == The Sovereign == There are two styles which can be used for a king in ordinary speech, depending on whether he has been crowned: Crowned kings: Phra Bat Somdet Phra Chao Yu Hua (Thai: พระบาทสมเด็จพระเจ้าอยู่หัว; English: His Majesty the King) is the style used in ordinary speech when referring to the kings of Thailand after their coronation.

Source: Wikipedia — Thai royal ranks and titles (CC BY-SA 4.0)