Lachish was southwest of Jerusalem, near the Philistine border.
I have done wrong (literally I have sinned): Hezekiah's message to Sennacherib used careful diplomatic language.
Sennacherib claimed he received eleven tons of silver, one ton of gold, many jewels, and rich treasures from Hezekiah. He also said he received Hezekiah's daughter, the women of his harem, and his male and female singers.