Family name ארה (Era 
, Erra 
, ארה 
) , all over the world, is a widespread cognomen. The surname ארה is characteristic of Albania, where it is quite a common surname, Brunei, where it is quite a rare surname, and India. In absolute terms, it is the most numerous in India, Bangladesh, and Philippines. More prevalently, ארה is the forename as well as the last name.