Last name Чахая (Tjahaja 
, Chahaja 
, Чахая 
) , around the world, is quite a rare family name. The surname Чахая is habitual in Indonesia, where it is a rare surname, Georgia, and Ukraine, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Russia, and Ukraine. Very seldom, Чахая is the forename as well as the last name.