Last name Basja (Бася 
, Basja 
) , all around the world, is a rare cognomen. The last name Basja is characteristic of Indonesia, where it is a very rare surname, Kyrgyzstan, and Malaysia, where it is an extremely rare surname. In absolute terms, the name is most common in Indonesia, India, and Russia. Also, Basja is the forename as well as the last name.