The endonym Śfard (the name the Lydians called themselves) survives in bilingual and trilingual stone-carved notices of the Achaemenid Empire: the satrapy of Sparda (Old Persian), Aramaic Saparda, Babylonian Sapardu, Elamitic Išbarda, Hebrew סְפָרַד‎. These in the Greek tradition are associated with Sardis, the capital city of King Gyges, constructed during the 7th century BC.
Lydia is called Kisitan  by Hayton of Corycus (in The Flower of the History of the East), a name which was corrupted to Quesiton in The Travels of Sir John Mandeville.

The region of the Lydian kingdom was during the 15th-14th centuries BCE part of the Arzawa kingdom.
However, the Lydian language is usually not categorized as part of the Luwic subgroup, unlike the other nearby Anatolian languages Luwian, Carian, and Lycian.
The endonym Śfard (the name the Lydians called themselves) survives in bilingual and trilingual stone-carved notices of the Achaemenid Empire: the satrapy of Sparda (Old Persian), Aramaic Saparda, Babylonian Sapardu, Elamitic Išbarda, Hebrew סְפָרַד‎. These in the Greek tradition are associated with Sardis, the capital city of King Gyges, constructed during the 7th century BC. Lydia is called Kisitan  by Hayton of Corycus (in The Flower of the History of the East), a name which was corrupted to Quesiton in The Travels of Sir John Mandeville.
The region of the Lydian kingdom was during the 15th-14th centuries BCE part of the Arzawa kingdom. However, the Lydian language is usually not categorized as part of the Luwic subgroup, unlike the other nearby Anatolian languages Luwian, Carian, and Lycian.
Lydia