diabtetes is one of the causes of increased frequency of urination,but its usually associated with increased thirst and appetite. infection is also one of the commonest cause of increased frequency. but since you are also having a pain in the right iliac fossa
it could also be related to some intestinal disorder like a diverticulosis
which can at times cause increased frequency.you need to get to see your GP who can get a few tests done to evaluate you.take care and regards.