I have a spot on my head that hurts when I leave a certain way and my neck muscle on the left is tight. Is this tension?

Could be. Band like headaches could describe tension headache and neck pain can result from muscle tension. Examination to rule out any associated neurological or eye abnormality is prudent.
Could be. Headaches are often caused by muscle tension. Since neck muscles attach to the head, if a neck muscle is tight, it can also pull on the scalp, causing pain in a very specific area. Muscle relaxation exercises should help, if this is the case.