Revelation 1:11 saying, " What you see, write in a book and send to the seven assemblies : to Ephesus, Smyrna, Pergamum, Thyatira, Sardis, Philadelphia, and to Laodicea." (WEB WEY ASV NAS NIV)
Revelation 2:12 "To the angel of the assembly in Pergamum write: "He who has the sharp two-edged sword says these things: (WEB WEY ASV NAS NIV)