'Assembly' in the Bible

'And to the messenger of the assembly in Pergamos write: These things saith he who is having the sharp two-edged sword:

'And to the messenger of the assembly of Thyatira write: These things saith the Son of God, who is having his eyes as a flame of fire, and his feet like to fine brass;

And to the messenger of the assembly in Sardis write: These things saith he who is having the Seven Spirits of God, and the seven stars: I have known thy works, and that thou hast the name that thou dost live, and thou art dead;

'And to the messenger of the assembly in Philadelphia write: These things saith he who is holy, he who is true, he who is having the key of David, he who is opening and no one doth shut, and he shutteth and no one doth open!

And to the messenger of the assembly of the Laodiceans write: These things saith the Amen, the witness -- the faithful and true -- the chief of the creation of God;