Lydia, the seller of purple whom Paul met at Philippi, came from which city?

Answer: Thyatira

Lydia was a dealer in purple cloth from the city of Thyatira and a worshiper of God.

“Among those listening was a woman named Lydia, a dealer in purple cloth from the city of Thyatira, who was a worshiper of God. The Lord opened her heart to respond to Paul’s message.”— Acts 16:14 (BSB)