Hierarchy
county
barony
civil parish
island or archipelago
Inis Sionnach
genitive: Inis Sionnach
(Irish)
Hawlbowline Island
(English)
Hierarchy
county
barony
civil parish
Centrepoint
51.8617, -8.26672latitude, longitude
Irish Grid (with letter)
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Irish Grid (without letter)
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Irish Transverse Mercator (ITM)
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