'Burial ground' in the Bible

And Uzziah slept with his fathers; and they buried him with his fathers in the burial-ground of the kings, for they said, He is a leper. And Jotham his son reigned in his stead.

“On that day I will give Gog a burial ground there in Israel, the valley of those who pass by east of the sea, and it will block off those who would pass by. So they will bury Gog there with all his horde, and they will call it the valley of Hamon-gog.

So they decided to use the money to buy the Potter's Field as a burial ground for foreigners.