Cognomen Arrua (Arrua 
) , across the world, is a common family name. The surname Arrua is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is a common surname, Argentina, where it is quite a common surname, and Uruguay.
| ruben dario arrua researcher |
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| jose arrua footballer, PY (b. 1988) |
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| maria arrua Paraguayan swimmer (b. 1999) |
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