Charles Ellicott Commentary 2 Samuel 21:14

"And they buried the bones of Saul and Jonathan his son in the country of Benjamin in Zela, in the sepulchre of Kish his father: and they performed all that the king commanded. And after that God was entreated for the land." — 2 Samuel 21:14 (ASV)

In Zelah: according to Joshua 18:28 a town of Benjamin. It has not been identified, but was probably near Gibeah.