Surname 摩纳哥 (Monaco 
, 摩纳哥 
) , all over the world, is a common cognomen. The cognomen 摩纳哥 is characteristic of Monaco, where it is a common surname, Italy, where it is quite a common surname, and Argentina. Measured by absolute frequency, it most frequently occurs in Italy, the United States, and Argentina. Very seldom, 摩纳哥 is the forename as well as the last name.