Plovdiv of which are high. Because of these hills, Plovdiv is often referred to in Bulgaria as "The City of the Seven Hills". Plovdiv is host to a huge variety of cultural events such as the International Fair Plovdiv, the international theatrical festival "A stage on a crossroad", the TV festival "The golden chest", and many more novel festivals, such as Night/Plovdiv in September, Kapana Fest, and Opera Open. There are many preserved ruins such as the ancient Plovdiv Roman theatre, a Roman odeon, a Roman aqueduct, the Plovdiv Roman Stadium, the archaeological complex Eirene, and others. The oldest American educational
FC Maritsa Plovdiv which flows past Plovdiv. The club is particularly famous for its renowned youth program that has produced many Bulgarian talents over the years – Hristo Stoichkov, Dinko Dermendzhiev, Aleksandar Aleksandrov. Bulgarian national first-team players Georgi Georgiev, Kostadin Vidolov, Krassimir Chomakov, Valeri Domovchiyski, Yordan Todorov, Asen Nikolov had also came through the ranks at Maritsa. In 2016–17 Third League season Maritsa Plovdiv finished second in their regional division, but gained promotion, because the first ranked team – FC Zagorets declined the offer to participate in the Second Professional League. On 16 June 2017 the club signed a contract with Botev Plovdiv