Excuse me, what are the nicknames in the palace?

Shengjing Palace is another name. After its completion, gold was used in the early Qing Dynasty.

Palace is the capital and center of the empire.

The largest imperial palace in the world, located in the center of China, was the Forbidden City in the Ming and Qing Dynasties. This is the only complete palace in China. The Forbidden City is another name for imperial palaces in past dynasties. Ancient emperors called their palaces ouchi, and ancient officials called them forbidden areas. The word "forbidden" was created by adding the concept of astrology. According to the ancient astrology theory, there is a purple star wall in the sky, which is the palace of the emperor of heaven, and the palace where the emperor on earth lives certainly corresponds to it. The word "Purple Forbidden" is a combination of "Purple Forbidden" and "Forbidden Forbidden", which is often used by poets in the Tang Dynasty to refer to the palace. This is not because the poet is superstitious about astrology, but that "Forbidden" is more elegant than "Forbidden". The word "city" in the Forbidden City is self-evident, and the palace is a city within a city. But the word "Forbidden City", even in ancient times, was generally not used as the official title of the imperial court to the palace.

As can be seen from the above sentence, the palace can be called the Forbidden City, Shengjing, the capital of the palace, and so on. You said the palace, the royal family and the Houmen.