Pompeii was a Roman city. Now it is a UNESCO World Heritage Site.
On 24 August, 79 AD, a volcano called Mount Vesuvius erupted and the city and its , killing 2,000 of them.
Pompeii is now considered one of the world's most important historical sites because the way the volcanic ash preserved the city and its people gives historians and archaeologists a vivid picture of life in the Roman Empire around 2,000 years ago.
Archaeologists have found graffiti written by the people who lived in the town.
People often wrote on walls, and archaeologists have been able to read some of what they wrote. Pompeii is an interesting attraction for tourists from around the world and is visited by 2.5 million people every year.