The Forbidden City is 603 at the moment, starting with when they began building. It has been 588 years since it was finished, so you can count either way.
The Forbidden City in Beijing, China, contains the imperial court of former Chinese rulers. Ordinary Chinese citizens were forbidden to enter it until the last Chinese Emperor lost his powers in 1912.
The Forbidden City is located directly in the center of Beijing China. Also it is where all of the emperors lived. It's a replica of the Purple Palace where the legend supposedly has it that he had...