The oldest skyscraper city in the world is in Yemen. Shibam,with approximately 7000 citizens,has buildings up to12 stories high. While they are not the tallest skyscrapers in the world (the tallest is currently in Dubai,UAE),they are the oldest.
Most of the 500 skyscrapers were built in the sixteenth century. However,Hong Kong,the place with the most skyscrapers,has2,354 towering buildings,which together would almost reach a space station orbiting Earth