Passage: The provincial seal shows the royal sword above the royal sandals on a phan (tray), as the name Ratchaburi means 'city of the king'. The name derives from the fact that King Rama I was born here. The provincial slogan is "Beautiful women of Photharam, beautiful women of Baan Pong, the city of earthenware jars, shadow plays at Wat Khanon, magnificent caves, floating market at Damnoen, bats, delicious Yii Sok fish". The provincial flower is the Pink Shower Tree (Cassia bakeriana), and the provincial tree is  Wrightia pubescens.

Question: What does Ratchaburi mean?
city of the king