What Is Abijah (Abia) in the Bible?
Person
The eighth of the 24 divisions of priests who served in the Temple, one week at a time. Zechariah belonged to that division.
Where it appears in the Bible
Luke 1:5
What the Bible says
Luke 1:5
There was in the days of Herod, the king of Judea, a certain priest named Zachary, of the course of Abia; and his wife was of the daughters of Aaron, and her name Elizabeth.
Douay-Rheims Bible (Challoner revision), public domain.
Source: 1 Chronicles 24:10; NABRE note on Luke 1:5