Orthodox and Catholics fear reopening wounds from the past, such as the non-return of parishes the Communist government expropriated and then sold or delivered to the Orthodox Church.
Romania is the poorest country in the EU. In the last 30 years, 14 percent of its population has emigrated in search of a better future.
Pope Francis' 30 international trip make him the first pope to visit the country after John Paul II 20 years ago.
