Plovdiv Province others. Industry is very well developed: ferrous metallurgy near Plovdiv; thriving electronics industry in Plovdiv, Saedinenie, Voivodinovo, Radinovo and other villages in the area; agricultural machinery (tractors) in Karlovo; weapon and military plants in Sopot, Karlovo, Plovdiv; chemical industry in Plovdiv, Asenovgrad; food industry is developed almost everywhere, most notably in Plovdiv and Asenovgrad (wines). Tourism is a growing industry with the rich cultural heritage of the province and the numerous mineral springs which are of international importance. Plovdiv Province Plovdiv Province (: "Oblast Plovdiv", former name Plovdiv okrug) is a province in central southern Bulgaria. It comprises 18 municipalities
Plovdiv is the second or the third-largest cosmopolitan city inhabited by Bulgarians, after Sofia and possibly Varna. According to the 2001 census, out of a population of 338,224 inhabitants, the Bulgarians numbered 302,858 (90%). Stolipinovo in Plovdiv is the largest Roma neighbourhood in the Balkans, having a population of around 20,000 alone; further Roma ghettos are Hadji Hassan Mahala and Sheker Mahala. Therefore, the census number is a deflation of the number of Roma people, and they are most likely the second-largest group after the Bulgarians, most of all because the Muslim Roma in Plovdiv claim to be of Turkish ethnicity