I prepared a diagram some years ago which shows where a cat’s scent glands are located. Here it is:
If you want to read more the scent glands of the domestic or feral cats please go to the page presented below by clicking on the link. I am confident that it will provide the information that you are seeking. It is written in straightforward English but it is quite comprehensive so please give it a visit if you are interested.
Did you find this article useful and interesting? Can it be improved? Please tell me in a comment. I am always keen to improve the site for animal welfare and reader enjoyment.