High
@jane58 and welcome to the forum. Sadly it is not unusual for people to be given a diagnosis of diabetes and then left to get on with it. I guess that is often because there is quite a lot to learn and many GP surgeries do not have the resources to devote the time needed to get patients sorted individually and rely on leaflets and things like that. That is where we can help. I suggest you have a read around the forum and check out the learning zone on the red tab above. Take your time and if there is anything you do not understand then just ask questions on the forum. There is a forum rule that no question is considered silly. We have all been where you are now and know what it is like.
One thing for sure is that an HbA1c of 77 is higher than what most of us would consider to be comfortable and you should be doing things to get it down. The obvious things are to lose weight if you need to, cut down on the carbohydrate in your diet, increase the exercise you do and if needed, take medication. Which you concentrate on and how you balance things is very much down to you, and as you read around the forum you will find that different people have taken different approaches. Another thing for sure is that getting your HbA1c back to sub diabetic levels is very doable and we will do what we can to help you get there.