The fertilisation of eggs takes place in [[1]].

After ovulation, sperm approach the ovum, and fertilization by one sperm often takes place at the ampullary–isthmic junction, where the isthmus connects to the larger oviductal ampulla. 

Other sperm enter the bodily cavity and are lost after swimming through the infundibulum and up the ampulla.

Hence, The fertilization of eggs takes place in the Ampulla of the oviduct.