Ham is a cut of meat from the thigh of the hind leg of certain animals, especially
pigs

Domestic pig

The domestic pig is a domesticated animal that traces its ancestry to the wild boar, and is considered a subspecies of the wild boar or a distinct species in its own right. It is likely the wild boar was domesticated as early as 13,000 BC in the Tigris River basin...

. Nearly all hams sold today are fully cooked or cured

Curing (food preservation)

Curing refers to various food preservation and flavoring processes, especially of meat or fish, by the addition of a combination of salt, nitrates, nitrite or sugar. Many curing processes also involve smoking, the process of flavoring, or cooking...

.
The word ham is derived from the Old English ham or hom meaning the hollow or bend of the knee.
Elenski but

Elenski but

Elenski but , sometimes translated as Elena round or Elena leg) is a dry-cured ham from the town of Elena in northern Bulgaria and a popular delicacy throughout the country...

 is a dry-cured ham from the town of Elena

Elena, Bulgaria

Elena is a Bulgarian town in the central Stara Planina mountain in Veliko Tarnovo Province, located 42 km away to southeast from the city of Veliko Tarnovo. It is the administrative centre of the homonymous Elena Municipality. The area is a popular mountain resort also known for the typical...

 in northern Bulgaria and a popular delicacy

Delicacy

A delicacy is a food item that is considered highly desirable in certain cultures. Often this is because of unusual flavors or characteristics or because it is rare....

 throughout the country.