The urethra extends from the:

The urethra is a thin, fibromuscular tube that begins at the lower opening of the bladder and extends through the pelvic and urogenital diaphragms to the outside of the body, called the external urethral orifice. The urethra also connects them to the ductus deferens in males, for the ejaculation of sperm.

From the bladder and goes through the male genitalia.