Thyatira: A city of Asia Minor, on the borders of Lydia and Mysia. Its modern
name is Ak-hissar, i.e., "white castle." Here was one of the seven
churches
(Revelation 1:11; 2:18-28) Lydia, the seller of purple, or rather of
cloth dyed with this colour, was from this city
(Acts 16:14) It was and
still is famous for its dyeing. Among the ruins, inscriptions have
been found relating to the guild of dyers in that city in ancient
times.