Based on data in OpenStreetMap, here is a list of townlands in the Electoral Division / ED / District Electoral Division of Blackrock-Williamstown.
Blackrock-Williamstown is in Co.
Blackrock-Williamstown is not matched up to Logainm.ie yet.
It is located at 53° 18' 9" N, 6° 11' 37" W.
Blackrock-Williamstown has an area of 1.1 km² / 264.1 acres / 0.4 square miles.
There are 0 townlands that we know about in . This represents 0% of all the area in .
Blackrock-Williamstown was added to OpenStreetMap on 3 Noll 2014 by brianh.