Dover is a coastal town in the southeast of England, located in the county of Kent. It is known for its iconic white chalk cliffs, which are part of the Dover Cliffs and serve as a landmark for ships entering the English Channel. The town has a rich history, with evidence of settlement dating back to the Roman era. Dover is also famous for its ferry services, connecting the UK to Calais, France. The Dover Castle, a historic fortress, overlooks the town and has played a significant role in British history. Today, Dover is a popular destination for tourists and serves as a gateway to mainland Europe.