'Assembly' in the Bible

To the angel of the assembly in Ephesus write: These things says he that holds the seven stars in his right hand, who walks in the midst of the seven golden lamps:

And to the angel of the assembly in Smyrna write: These things says the first and the last, who became dead, and lived:

And to the angel of the assembly in Pergamos write: These things says he that has the sharp two-edged sword:

And to the angel of the assembly in Thyatira write: These things says the Son of God, he that has his eyes as a flame of fire, and his feet are like fine brass:

And to the angel of the assembly in Sardis write: These things saith he that has the seven Spirits of God, and the seven stars: I know thy works, that thou hast a name that thou livest, and art dead.

And to the angel of the assembly in Philadelphia write: These things saith the holy, the true; he that has the key of David, he who opens and no one shall shut, and shuts and no one shall open:

And to the angel of the assembly in Laodicea write: These things says the Amen, the faithful and true witness, the beginning of the creation of God: