A boundary between East and West from the Roman Empire days. Controlled by Ottomans from the Middle Age to the 19th century. Incredible fortress with a 16th century mosque and an underground Roman city. Deep archeological and war history. Let’s explore Niš, Serbia.
The city that changed its name many times. Serdika, Triaditsa, Sredets. Massive history highlighting mysterious Roman ruins, Ottoman mosques and Soviet occupation traces. Still modern, lively and cultural. This is Sofia, the capital of Bulgaria.