Yes, doc, on a map its the Netherlands, but here in NY, Holland would be used interchangible.. most NY's would know the "Holland-American Lines" (do they still exist? their name remains on piers..) and the Holland tunnel.. and
Holland show up in local brands (Holland Farms is big dairy cooportive, so is associated with milk, cheese, ice cream)
given that only 7 people in all of the US know geography,

they would have trouble finding it on a map, but the would tell you the Dutch lived there.. (complete with wooden shoes!, and the little boy who put his finger in the dike was from there..)
and
Pommy b*****ds, is definately an down under expression.. I don't know what they are called elsewhere, but in my childhood they where always
Bloody Brits-- followed closely by a warning
Language!- with the 'Mind Your' intro to be understood.
and where did
the Septics from the US come from... i have never heard that one before!