Eitzing is situated 419 m above sea level in the Innviertel. Its dimensions are 4,6 km from the North to the South and 4,3 km from the West to the East. The complete area accounts for 8,62 km². 13,8% of the land is afforested, 77% is used agriculturally. Parts of the municipality are Amerika, Bankham, Ertlberg, Hofing, Kirchberg, Obereitzing, Probenzing, Sausack, Untereitzing, Ursprung and Wöppelhub.