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

Londonderry is on Logainm.ie: Londonderry.

Area

Londonderry has an area of 2,121.7 km² / 524,279.4 acres / 819.2 square miles.

Londonderry has a total water area of 36,333,282.9 m², which is 1.7% of the total area

Old Names

Londonderry wasn't always called Londonderry. It had the following names in the past:
WhenName
1585 to 1609County Coleraine
1609 to presentCounty Londonderry

Baronies

There are 6 baronies in Co. Londonderry that we know about. You may wish to compare this list (below) with Wikipedia's list of baronies in Londonderry.

Civil Parishes

There are 46 civil parishes in Co. Londonderry that we know about. You may wish to compare this list (below) with Wikipedia's list of civil parishes in Londonderry.

Electoral Divisions

There are 0 electoral divisions in Co. Londonderry that we know about.

Townlands

There are 1234 townlands that we know about in Co. Londonderry. This represents 100% of all the area in Co. Londonderry. You may wish to compare this list (below) with Wikipedia's list of townlands in Londonderry.

Subtownlands

There are 287 subtownlands that we know about in Co. Londonderry.

OpenStreetMap Logo OpenStreetMap

Londonderry was added to OpenStreetMap on 9 Jan 2012 by mackerski.

View
Edit

Debug overlaps and coverage

How long will it take OSM to finish Londonderry?