Gaja is a given name. The name Gaja comes from the Greek word "gaia" which means Earth.
Notable people with the name include: Gaja Alaga (1924–1988), Croatian theoretical physicist Gaja Dabić (c. 1780 – after 1847), duke and leading commander in the Serbian Revolution Gaja Grzegorzewska (born 1980), Polish novelist Gaja Natlačen (born 1997), Slovenian swimmer Gaja Prestor (born 2000), Slovenian singer
See also Gaia (disambiguation) Gaya (disambiguation)
References