Laodicea on the Lycus was an ancient city located in what is now western Turkey. Founded in the 3rd century BCE, it was named after Laodice, the wife of King Antiochus II. The city was known for its wealth, thriving textile industry, and production of a special black wool. Strategically situated at the crossroads of trade routes, Laodicea became an important commercial center. It was also notable for its advanced banking system and impressive public buildings, including theaters and temples. The city is mentioned in the Bible in the Book of Revelation, highlighting its significance in early Christian history.