Breakfast at hotel. Transfer for about 2-hours drive to visit Plovdiv. It is one of the oldest settlements in the world, having emerged on the three adjacent hills – the beginning of its history dates back to 4,000 years BC. It has preserved Thracian, Roman and Bulgarian heritage from different epochs.
In Plovdiv there will be a 2 hour guided walking tour in the heart of the town and will learn lots of historical facts and legends while exploring its most interesting sightseeing places- see the Roman Theater and parts of the Roman Stadium. Walk through the longest pedestrian street in Europe. Explore the magnificent Revival old town with its unique colorful houses from the 19th century. After it, we'll have about 2 hours free time for lunch and some shopping and then you will depart back to Sofia. 

After sightseeing, back to hotel. Free and overnight. Lunch & Dinner on guest own account.