Where in the male body are the testes located?

The testes are specifically located in the scrotum, which is an external pouch of skin situated behind the penis. This placement is vital for proper temperature regulation, as sperm production requires a temperature slightly lower than the body's internal temperature. The scrotum helps maintain this optimal temperature by contracting or relaxing to move the testes closer to or further from the body based on environmental conditions.

On the other hand, while the abdomen, pelvis, and groin are areas associated with male reproductive anatomy, they do not accurately describe the external positioning of the testes. The abdomen houses various organs, the pelvis supports the bladder and reproductive structures, and the groin is the area where the upper thigh meets the abdomen. Thus, these regions are not where the testes are primarily located, making the scrotum the correct and specific answer.