What is the difference between a hiatal hernia and a hernia?

Hernia, often referred to as an extra-abdominal hernia, is one of the most common diseases of abdominal surgery, with inguinal hernias having the highest incidence; a sliding hernia is one of the types of inguinal hernias, which are almost always hiatal hernias, and their symptoms are mostly similar to those of a normal hiatal hernia.
Part of the body’s tissues or organs for various reasons, through the acquired or congenital formation of holes, defects or weak points, leaving the original normal anatomical site, into another location is called a hernia, more commonly occurs in the abdomen, inguinal hernia is the most common.
A sliding hernia is a hernia in which a posterior organ of the abdominal cavity, along with a portion of the overlying peritoneum, detaches from the tube and forms part of the wall of the hernia sac. The most common organs that slip out in a sliding hernia are, in order, the sigmoid colon, cecum, bladder, uterus and adnexa.
Overall a sliding hernia is one of the more unusual types of hernia.
When a hernia occurs, regardless of the type, the patient needs to go to the hospital in time for active treatment.