Pergamos lit. means “citadel” and is the word from where we get the word parchment. This was a writing material made from animals and was first developed in that area.
Revelation, and God’s Church Revelation 2:12-17NKJ
12 “And to the angel of the church in Pergamos write, ‘These things says He who has the sharp two-edged sword: 13 “I know your works, and where you dwell, where Satan’s throne is. And you hold fast to