Cognomen Marchia (Marchia 
) , throughout the world, is a rare last name. The cognomen Marchia is habitual in Bulgaria, where it is a rare surname, Indonesia, and Italy, where it is a very rare surname. In absolute terms, this name is the most popular in Indonesia, the United States, and Italy. Also, Marchia is the forename as well as the last name.
| vittorio amedeo la marchia IT (b. 1696) |
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| cesare marchia Italian politician, IT (b. 1905) |
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