Gibraltar is located at the southern tip of the Iberian Peninsula. Historically it has been considered the southernmost point of Europe. It is also strategically positioned at the western end of the Mediterranean, forming one of the ancient Pillars of Hercules
Morocco (in North Africa), to the south, is situated 24 kilometres (15 miles) away on the opposite side of the Strait. The rock is mainly made up of Jurassic limestone, which is about 200 million years old.