Cathedral of St Louis (Plovdiv) Cathedral of St Louis (Plovdiv) The Cathedral of St Louis (, "katedrala „Sveti Ludvig“") is a Roman Catholic cathedral in the city of Plovdiv, Bulgaria. Co-cathedral of the Diocese of Sofia and Plovdiv together with the Cathedral of St Joseph in Sofia, it is one of the largest and most important Roman Catholic places of worship in the country. It was named after Louis IX of France, commonly known as "Saint Louis". The cathedral was constructed in the 1850s, during the time of vicar Andrea Canova. The first organ in Bulgaria was installed in the cathedral in 1861, later replaced
Plovdiv the Turks and Greeks. Prior to the population exchange, as of 1 January 1885, the city of Plovdiv had a population of 33,442, of which 16,752 were Bulgarians (50%), 7,144 Turks (21%), 5,497 Greeks (16%), 2,168 Jews (6%), 1,061 Armenians (3%), 151 Italians, 112 Germans, 112 Romani people, 80 French people, 61 Russians and 304 people of other nationalities. The vast majority of the inhabitants are Christians, mostly Eastern Orthodox, Catholics, Eastern Catholics, and Protestant trends (Adventists, Baptists and others). There are also some Muslims and Jews. In Plovdiv there are many churches, two mosques and one synagogue (see Plovdiv