Jeremiah 34:7

when the king of Babylon's army was fighting against Jerusalem, and against all the cities of Judah that were left, against Lachish and against Azekah; for these [alone] remained of the cities of Judah [as] fortified cities.

Joshua 10:3

Therefore Adoni-Zedek king of Jerusalem sent to Hoham king of Hebron, to Piram king of Jarmuth, to Japhia king of Lachish, and to Debir king of Eglon, saying,

Joshua 15:35

Jarmuth, Adullam, Socoh, Azekah,

2 Kings 18:13-14

Now in the fourteenth year of king Hezekiah did Sennacherib king of Assyria come up against all the fortified cities of Judah, and took them.

2 Chronicles 11:5-10

Rehoboam lived in Jerusalem, and built cities for defense in Judah.

Jeremiah 4:5

Declare in Judah, and publish in Jerusalem; and say, 'Blow the trumpet in the land!' Cry aloud and say, 'Assemble yourselves! Let us go into the fortified cities!'

Deuteronomy 28:52

They shall besiege you in all your gates, until your high and fortified walls come down, in which you trusted, throughout all your land; and they shall besiege you in all your gates throughout all your land, which Yahweh your God has given you.

Joshua 10:10-11

Yahweh confused them before Israel, and he killed them with a great slaughter at Gibeon, and chased them by the way of the ascent of Beth Horon, and struck them to Azekah and to Makkedah.

Joshua 12:11

the king of Jarmuth, one; the king of Lachish, one;

Joshua 15:39

Lachish, Bozkath, Eglon,

2 Kings 19:8

So Rabshakeh returned, and found the king of Assyria warring against Libnah; for he had heard that he had departed from Lachish.

2 Chronicles 27:4

Moreover he built cities in the hill country of Judah, and in the forests he built castles and towers.

Jeremiah 8:14

Why do we sit still? Assemble yourselves, and let us enter into the fortified cities, and let us be silent there; for Yahweh our God has put us to silence, and given us water of gall to drink, because we have sinned against Yahweh.

Jeremiah 11:12

Then shall the cities of Judah and the inhabitants of Jerusalem go and cry to the gods to which they offer incense: but they will not save them at all in the time of their trouble.

Jeremiah 34:1

The word which came to Jeremiah from Yahweh, when Nebuchadnezzar king of Babylon, and all his army, and all the kingdoms of the earth that were under his dominion, and all the peoples, were fighting against Jerusalem, and against all the cities of it, saying:

Micah 1:13

Harness the chariot to the swift steed, inhabitant of Lachish. She was the beginning of sin to the daughter of Zion; For the transgressions of Israel were found in you.

Treasury of Scripture Knowledge

Summary

When the king of Babylon's army fought against Jerusalem, and against all the cities of Judah that were left, against Lachish, and against Azekah: for these defenced cities remained of the cities of Judah.

Bible References

Fought against

Jeremiah 34:1
The word which came to Jeremiah from Yahweh, when Nebuchadnezzar king of Babylon, and all his army, and all the kingdoms of the earth that were under his dominion, and all the peoples, were fighting against Jerusalem, and against all the cities of it, saying:
Jeremiah 4:5
Declare in Judah, and publish in Jerusalem; and say, 'Blow the trumpet in the land!' Cry aloud and say, 'Assemble yourselves! Let us go into the fortified cities!'
Jeremiah 8:14
Why do we sit still? Assemble yourselves, and let us enter into the fortified cities, and let us be silent there; for Yahweh our God has put us to silence, and given us water of gall to drink, because we have sinned against Yahweh.
Jeremiah 11:12
Then shall the cities of Judah and the inhabitants of Jerusalem go and cry to the gods to which they offer incense: but they will not save them at all in the time of their trouble.
Deuteronomy 28:52
They shall besiege you in all your gates, until your high and fortified walls come down, in which you trusted, throughout all your land; and they shall besiege you in all your gates throughout all your land, which Yahweh your God has given you.

Lachish

Joshua 10:3
Therefore Adoni-Zedek king of Jerusalem sent to Hoham king of Hebron, to Piram king of Jarmuth, to Japhia king of Lachish, and to Debir king of Eglon, saying,
Joshua 12:11
the king of Jarmuth, one; the king of Lachish, one;
Joshua 15:35
Jarmuth, Adullam, Socoh, Azekah,
2 Kings 18:13
Now in the fourteenth year of king Hezekiah did Sennacherib king of Assyria come up against all the fortified cities of Judah, and took them.
2 Kings 19:8
So Rabshakeh returned, and found the king of Assyria warring against Libnah; for he had heard that he had departed from Lachish.
Micah 1:13
Harness the chariot to the swift steed, inhabitant of Lachish. She was the beginning of sin to the daughter of Zion; For the transgressions of Israel were found in you.

For

2 Chronicles 11:5
Rehoboam lived in Jerusalem, and built cities for defense in Judah.
2 Chronicles 27:4
Moreover he built cities in the hill country of Judah, and in the forests he built castles and towers.