True chicken tenderloin is a muscle located behind the chicken breast located close to the bone. Each chicken has two tenderloins. When you purchase whole chicken breasts, the tenderloins may be included, and you will see that it’s attached by a thin membrane. The tenderloin is considered the most tender part of the chicken, which is where the name tenderloin comes from. Chicken tenderloins are also called tenders, strips, goujons, chicken fingers, fillet, and tendies.