The Israelites struck down these kings of the land and took over their land on the east side of the Jordan. This ran from the Arnon Valley as far as Mount Hermon and included the whole eastern part of the desert plain.
References for Joshua 12:1
First there was the Amorites' King Sihon, who lived in Heshbon. He ruled from Aroer by the rim of Arnon Valley and then from the middle of the valley as far as the Jabbok Valley, the border of the Ammonites. This was half of Gilead.
He ruled the desert plain up to the east side of the Chinneroth Sea. This ran southward in the direction of Beth-jeshimoth at the foot of the Pisgah slopes as far as the east side of the desert plain (that is, the Dead Sea) and
the territory next to it. Then there was Bashan's King Og. He was one of the last of the Rephaim. He lived in Ashtaroth and Edrei.
References for Joshua 12:4
He ruled over Mount Hermon, Salecah, and all of Bashan as far as the border of the Geshurites and the Maacathites, and half of Gilead down to the border of Heshbon's King Sihon.
Moses the LORD's servant and the Israelites struck them down. Moses the LORD's servant gave their land as property to the Reubenites, Gadites, and half the tribe of Manasseh.
Joshua and the Israelites struck down these kings of the land and took over their land on the west side of the Jordan. This ran from Baal-gad in the Lebanon Valley as far as Mount Halak, which goes up toward Seir. Joshua gave it to the tribes of Israel as shares of property.
References for Joshua 12:7
This was in the highlands, in the lowlands, in the desert plain, in the slopes, in the desert, and in the arid southern plain. The land belonged to Hittites, Amorites, Canaanites, Perizzites, Hivites, and Jebusites. They were:
the king of Jericho one the king of Ai (which is near Bethel) one
the king of Jerusalem one the king of Hebron one
the king of Jarmuth one the king of Lachish one
the king of Eglon one the king of Gezer one
the king of Debir one the king of Geder one
the king of Hormah one the king of Arad one
the king of Libnah one the king of Adullam one
the king of Makkedah one the king of Bethel one
the king of Tappuah one the king of Hepher one
the king of Aphek one the king of Lasharon one
the king of Madon one the king of Hazor one
the king of Shimron-meron one the king of Achshaph one
the king of Taanach one the king of Megiddo one
the king of Kedesh one the king of Jokneam in Carmel one
the king of Dor in Naphath-dor one the king of Goiim of Gilgal one
the king of Tirzah one Total of all kings: thirty-one.