Plovdiv is a picturesque town, with many parks and
gardens, museums and archaeological monuments. Its
old part, called the Old Town, with houses from the
National Revival period (18th-19th century), is an
imposing open-air museum situated on the three hills
of the ancient Trimontium. One of the most
remarkable sights of the town, the Ancient Theatre (a
well-preserved Roman theatre) ,is located there and is
still used for open-air performances