The answer to your question is yes! The groin refers to a collection of muscles called the adductors, which run from your pelvis to either your femur, or knee depending on the muscle. These are the muscles used to bring your legs together. The hip flexor muscles are also sometimes included in the term 'groin'.

The groin is also sometimes used to desrcibe the area where the top of the legs (ie Hip flexors) meet the abdominal muslces, but this more commonly known as the outer groin I believe.

In other words, groin is the place where you keep your genitals!! And so women have one too!!!