Garudapurana 2.16.19

2.16.19

tato yāti puraṃ pretaḥ krūraṃ māse tu pañcame /
iha dattaṃ sutairbhuṅkte preto vai tatpure sthitaḥ /
ṣaṣṭhe māsi tataḥ preto yāti krauñcābidhaṃ puram //

Then, in the fifth month, the ghost proceeds to the city of Krūra; / stationed in that city, the ghost eats what is given here by sons; / then, in the sixth month, the ghost travels to the city named Krauñca.