Discover the city of plovdiv one of bulgarias oldest towns a 1 5 hour drive from sofia is situated in the western part of the fertile thracian valley it is also one of the oldest towns in the world a contemporary to troya and mycenae and then you will continue to charming koprivshtitsa with authentic 19th century architecture small town tucked in the bosom of sredna gora mountain surrounded by century old pines brought to life by crystal clear streams and rivers and the ancient ec