Albert Barnes on Acts 13:19

And when he had destroyed. Subdued; cast out; or extirpated, as nations. It does not mean that all were put to death, for many of them were left in the land; but that they were subdued as nations--they were broken up, and overcome. De 7:1: "And hath cast out many nations before them," etc.

Seven nations. The Hittites, the Girgashites, the Amorites, the Canaanites, the Perizzites, the Hivites, and the Jebusites, De 7:1; Josh 3:10, Neh 9:8.

In the land of Chanaan. The whole land was called by the name of one of the principal nations. This was the promised land; the holy land, etc.

He divided, etc. See an account of this in Josh 14, Josh 15. The lot was often used among the Jews to determine important questions. Acts 1:26. (e) "seven nations" De 7:1 (f) "Chanaan" Josh 14:1