Here are some details about Co. Galway based on data in OpenStreetMap. (Debug overlaps and coverage)

Galway is on Logainm.ie: Galway.

Area

Galway has an area of 6,170.8 km² / 1,524,829.7 acres / 2,382.5 square miles.

Galway has a total water area of 282,780,071.1 m², which is 4.6% of the total area

Baronies

There are 16 baronies in Co. Galway that we know about. You may wish to compare this list (below) with Wikipedia's list of baronies in Galway.

Civil Parishes

There are 115 civil parishes in Co. Galway that we know about. You may wish to compare this list (below) with Wikipedia's list of civil parishes in Galway.

Electoral Divisions

There are 235 electoral divisions in Co. Galway that we know about.

Townlands

There are 4474 townlands that we know about in Co. Galway. This represents 100% of all the area in Co. Galway. You may wish to compare this list (below) with Wikipedia's list of townlands in Galway.