Scotland a territorial parish structure, with every community in Scotland having a local congregation. Scotland also has a significant Roman Catholic population, 19% professing that faith, particularly in Greater Glasgow and the north-west. After the Reformation, Roman Catholicism in Scotland continued in the Highlands and some western islands like Uist and Barra, and it was strengthened during the 19th century by immigration from Ireland. Other Christian denominations in Scotland include the Free Church of Scotland, and various other Presbyterian offshoots. Scotland's third largest church is the Scottish Episcopal Church. Islam is the largest non-Christian religion (estimated at around 75,000, which is
World's largest palace Italy, with more than 2 million cubic meters (70 million cubic feet). The title of "world's largest royal domain," as measured by the total area of the property, goes to Balmoral Castle in Scotland. The castle’s grounds cover 20,000 hectares (50,000 acres), or The Potala Palace in Lhasa, Tibet, with 1000 rooms on 13 levels, and over 130,000 square meters of floor space, is one of the largest palaces in the world by floor area. It was the winter residence of the Dalai Lama until 1959. (Many sources, e.g. give the area as 360,000 square meters.) In the castle category,