In Perga - See the notes on Acts 13:13.
They went down into Attalia - "Attalia had something of the same relation to Perga which Cadiz has to Seville. In each case the latter city is approached by a river voyage, and the former is more conveniently placed on the open sea. Attalus Philadelphus, king of Pergamus, whose dominions extended from the northwestern corner of Asia Miner to the Sea of Pamphylia, had built this city in a convenient position for commanding the trade of Syria or Egypt. When Alexander the Great passed this way, no such city was in existence; but since the days of the kings of Pergamus, who inherited a fragment of his vast empire, Attalia has always existed and flourished, retaining the name of the monarch who built it. Its ancient site is not now certainly known" (Life and Epistles of Paul, vol. i. pp. 200, 201). It is probable that it is the modern Satalia.

They went down into Attalia - This was a sea-port town in Pamphylia. Thus we find the apostles traveled from Derbe to Lystra; from Lystra to Iconium; from Iconium to Antioch of Pisidia; from Antioch to Perga in Pamphylia; and from Perga to Attalia; and it appears that they traveled over three provinces of Asia Minor, Pamphylia, Lycaonia, and Pisidia. See Calmet, and see the map.

And when they had preached the word in Perga, they went down into (h) Attalia:
(h) Attalia was a sea city of Pamphylia, near to Lycia.

And when they had preached the word in Perga,.... A city in Pamphylia, Acts 13:13. The Alexandrian copy, and others, and three manuscripts of Beza's, read, "the word of the Lord"; as do the Vulgate Latin and Syriac versions: they went down into "Attalia"; not Italia or Italy, as some Latin copies, and as the Syriac, Arabic, and Ethiopic versions read; but a city in Pamphylia, bordering on the sea, as Ptolomy writes (b); as this place did, as appears by what follows. So Jerom says (c), that Attalia is a city of Pamphylia, on the sea coast; it was formerly the metropolis of it: it is now in the hands of the Turks, and is called Sattalia; near it is a bay, called Golfo di Sattalia, where there is a considerable mart for the whole country: it is famous for tapestry, which is made in it: it had its name from Attalus, king of Pergamus, the first founder of it. Beza's ancient copy here adds, "preaching the Gospel to them"; to the inhabitants of Attalia, and doubtless with success, though no mention is made of it here, nor elsewhere, nor of any church in this place; nor do we read of any in ecclesiastical history until the "sixth" century, when Dionysius, bishop of Attalia, is said to be present in the fifth synod at Rome (d); unless Attalia, called a city of Lycia, can be thought to be the same with this, of which another Dionysius was bishop in the fifth century; and assisted at the council of Chalcedon (e).
(b) Geograh. l. 5, c. 5. (c) De locis Hebraicis. fol. 95. K. (d) Magdeburg. Hist. Eccles. cent. 6. c. 2. p. 4. (e) Ib. cent. 5. c. 10. p. 589.

when they had preached the word in Perga--now doing what, for some reason, they had not done on their former visit, but probably with no visible fruit.
they went down into Attaila--a seaport on the Gulf of Pamphylia, drawing to itself the commerce of Egypt and Syria.

Perga and Attalia were cities of Pamphylia.