Aven

Concise Bible Dictionary:

1. On, or Heliopolis, “House of the Sun,” in northern Egypt, a seat of idolatry: its young men should fall by the sword (Ezek. 30:1717The young men of Aven and of Pi-beseth shall fall by the sword: and these cities shall go into captivity. (Ezekiel 30:17)). See ON.

Strong’s Dictionary of Hebrew Words:

Transliteration:
’Aven
Phonic:
aw’-ven
Meaning:
the same as 205; idolatry; Aven, the contemptuous synonym of three places, one in Coele-Syria, one in Egypt (On), and one in Palestine (Bethel)
KJV Usage:
Aven. See also 204, 1007

Jackson’s Dictionary of Scripture Proper Names:

perverseness

Potts’ Bible Proper Names:

Vanity; iniquity; idolatry:―the name of three places, Ezek. 30:17. {Vanitas}