Many debate whether the Passover lamb should properly be considered a sacrifice since its blood and flesh aren't put on the altar and it isn't shared with the priest, but the Hebrews in the wilderness still thought of it as a sacrifice, calling it "an offering to YHVH" in Numbers 9:7. In Deuteronomy 16:2, Moses said to "kill the Passover to YHVH" and only at "the place which YHVH shall choose to place his name", i.e. at Jerusalem.