Groggan (from Irish an Grógán)[1] is a hamlet and townland near Randalstown in County Antrim, Northern Ireland.
It is situated in the historic barony of Toome Upper and the civil parish of Drummaul and covers an area of 620 acres.
Groggan had a population of 135 people (54 households) in the 2011 Census.
The population of the townland declined overall during the 19th century:[4][5]
This article related to the geography of County Antrim, Northern Ireland is a stub.