As Zoelula stated, diabetes is only one of the possibilities.
The tests to evaluate for diabetes are relatively inexpensive, and available world-wide.
The best thing to do, as Zoelula stated, is to go to a physician, tell him what the problem is in your own words, and have him/her make an evaluation.
Don't let this go.
This frequent urination could indicate several things and diabetes is only one of them. With diabetes you would likely also have increased thirst. Only a doctor can diagnose what is going on for you.
It sounds like you may have incontinence. I would definitely talk with a doctor. He or she will be able to effectively tell you.