Plovdiv municipal triangle of Plovdiv, including Maritsa municipality and Rodopi municipality. Population of Plovdiv: At the first census after the Liberation of Bulgaria in 1880 with 24,053 citizens, Plovdiv is the second largest city behind Ruse, which had 26,163 citizens then, and ahead of the capital Sofia, which had 20,501 citizens then. As of the 1887 census, Plovdiv was the largest city in the country for several years with 33,032 inhabitants compared to 30,428 for Sofia. According to the 1946 census, Plovdiv was the second largest city with 126,563 inhabitants compared to 487,000 for the capital. In its ethnic character Plovdiv
Trolleybuses in Plovdiv the operator is a private company, the city lost the opportunity to acquire 65 mln lv EU funding for purchasing approximately 100 brand-new trolleybuses.The system was officially closed on 1 October 2012 although some trolleybuses continued operation for a few more weeks.Currently there is no trolleybus movement and the municipality has issued an order for dismantling the overhead network. The sole Plovdiv trolleybus line was: , the Plovdiv trolleybus fleet had 47 trolleybuses: Trolleybuses in Plovdiv The Plovdiv trolleybus system () was a part of the public transport network of the city and municipality of Plovdiv, the second most populous