Where is the vagina

Patient's question:

Detailed medical condition and consultation purpose: Vaginal leukoplakia
Duration of this episode and persistence:
Current general condition: Yes
Medical history: 1 year
Previous diagnoses, treatments, and outcomes: Not ideal

Doctor's answer:

The vaginal opening is between the urethra and the anus.
About 1 cm inside the vaginal opening is the hymen, which can prevent bacteria from entering the vagina.