This puzzle is based around Auckland Memorials: New Zealand history located around West Auckland.
You do not have to visit any of the Memorials to find the required information, but do not let that stop you from visiting these historic places. Once you have gathered the required information, a few simple calculations will navigate you to the final.
SOUTH (YYY) = a + b + c + d + e + f - 3787
Kaitarakihi First World War Memorial: month unveiled (a)
New Lynn Memorial Library and Square: what year New Lynn Burough decided to build (b)
Waikumete First World War Memorial: what day unveiled (c)
Titirangi Soldiers Memorial Church: what year opened (d)
Piha Surf Club Roll of Honour: number of members who served in NZ (e)
Karekare Surf Club Roll of Honour: month unveiled (f)
EAST (ZZZ) = A + B + C + D + E + F - 3762
Glen Eden RSA Memorial Wall: number of men who went overseas (A)
Lion Rock - Piha War Memorial: first year used to describe photo (B)
Titirangi First World War Memorial: height of column in feet (C)
New Lynn Gateway of Rememberence WWI Memorial: what year dedicated (D)
Oratia School First World War Memorial: month unveiled (E)
Glen Eden Primary School Memorial First World War: number of drinking fountains (F)
S36° 54.YYY E174° 39.ZZZ
https://nzhistory.govt.nz/map/auckland-memorials
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ernpu uvtu be pyvzo jvguva, unatvat, OLB cra