Auerbach plexus is present in the
The cells of the Auerbach's (myenteric) plexus are located between the inner circular and outer longitudinal layers of the muscularis externa. These nerve cells are the poion of the enteric nervous system responsible for generating peristaltic movements. Ref - medscape.com
Mucosa layer
Submucosa layer
Muscular layer
Serosa layer
Abdomen and pelvis