Running on my PC right now, he is at Hive account@brian10 5 hours in, I'll keep it running. So far the potential dutchies are:

• Hive account@aelugon : ["the Netherlands"]
• Hive account@africka : ["Netherlands", "Everywhere "]
• Hive account@aioflureedb : ["Netherlands"]
• Hive account@alaniand : ["the Netherlands"]
• Hive account@amsterdam-pics : ["AMSTERDAM"]
• Hive account@arjendesign : ["Netherlands", "Netherlands"]
• Hive account@balbaabart : ["Netherlands"]
• Hive account@bengy : ["Netherlands", "Australia"]
• Hive account@blockchainboyroy : ["Netherlands"]
• Hive account@bokeh : ["holland", "holland"]

If my PC stays up long enough, maybe I'll do some post processing and do some posts with the results per country.

Another bunch:

• Hive account@brittandjosie : ["ROTTERDAM, the Netherlands", "ROTTERDAM, the Netherlands"]
• Hive account@cartoonbox : ["The Netherlands"]
• Hive account@cooperclub : ["Netherlands "]
• Hive account@corylus : ["the Netherlands"]
• Hive account@croupierbot : ["Netherlands", "Netherlands"]
• Hive account@crypto-econom1st : ["Netherlands ", "Netherlands "]
• Hive account@davidamsterdam : ["Amsterdam", "Amsterdam "]
• Hive account@dboontje : ["Netherlands", "Netherlands"]
• Hive account@deceptiocracy : ["The Netherlands"]
• Hive account@delph-in-holland : ["Leiden, The Netherlands", "Leiden, The Netherlands"]
• Hive account@devect : ["Amsterdam"]
• Hive account@dutchchemist : ["Netherlands"]
• Hive account@dutchmedia : ["Amsterdam"]
• Hive account@dutchresearcher : ["Amsterdam"]
• Hive account@edb : ["Utrecht, Netherlands", "Utrecht, Netherlands"]
• Hive account@eijffelbridge : ["The Netherlands"]
• Hive account@eirik : ["Netherlands"]
• Hive account@elbrava : ["Eindhoven, the Netherlands", "Zoeterwoude, the Netherlands"]
• Hive account@emrebeyler : ["Netherlands"]
• Hive account@erikklok : ["Hengelo, Netherlands", "Hengelo, Netherlands"]
• Hive account@fernwehninja : ["Philippines - Netherlands"]
• Hive account@foodielicious : ["Netherlands \ud83c\uddf3\ud83c\uddf1"]
• Hive account@gandalf-the-grey : ["Netherlands"]

And a 3th bunch, almost halfway through the alphabet now:

• Hive account@gindor : ["The Netherlands", "The Netherlands"]
• Hive account@giojuniorl : ["Netherlands"]
• Hive account@goldrooster : ["Netherlands", "Netherlands"]
• Hive account@greendeliverence : ["Den haag, Netherlands", "Den haag, Netherlands"]
• Hive account@greendelivernl : ["den Haag, the Netherlands", "den Haag, the Netherlands"]
• Hive account@guchtere : ["Netherlands", "Netherlands"]
• Hive account@haastrecht : ["Netherlands", "Netherlands"]
• Hive account@hatsekidee : ["Amsterdam", "Amsterdam"]
• Hive account@heyitshaas : ["Amsterdam / Bangkok", "Bangkok/ Amsterdam"]
• Hive account@hetty-rowan : ["Netherlands", ""]
• Hive account@heygio : ["The Netherlands"]
• Hive account@hivefest : ["Amsterdam, The Netherlands"]
• Hive account@inkvizstudios : ["Netherlands", "Netherlands"]
• Hive account@invest4free : ["Zoeterwoude, the Netherlands"]
• Hive account@isaturn : ["Amsterdam"]
• Hive account@jjsienna : ["Eindhoven, The Netherlands "]
• Hive account@jolanda : ["Netherlands", "Netherlands"]
• Hive account@k64 : ["The Hague, the Netherlands", "The Hague, the Netherlands"]
• Hive account@karinxxl : ["Switzerland", "Netherlands"]
• Hive account@lapingvino : ["Ede, NL", "Netherlands"]
• Hive account@larkin36 : ["The Netherlands "]
• Hive account@leelektrik : ["London", "Netherlands"]
• Hive account@lion200 : ["The Netherlands", "The Netherlands"]
• Hive account@loonatic : ["the netherlands", "the netherlands"]
• Hive account@lucabarbera : ["The Netherlands"]
• Hive account@luckerella : ["Netherlands"]
• Hive account@macrophotography : ["Holland", "Holland"]
• Hive account@marjoleinsch : ["Leiden, The Netherlands and Cazilhac, France"]
• Hive account@masty6 : ["Netherlands"]
• Hive account@mavassie : ["Netherlands", "Netherlands"]

An other bunch:

• Hive account@michaelalbaho : ["Breda, Netherlands", "Breda, Netherlands"]
• Hive account@michelmake : ["Netherlands", "Netherlands"]
• Hive account@minersean : ["Netherlands", "Netherlands"]
• Hive account@minigunner : ["Unknown", "the Netherlands"]
• Hive account@misterro : ["Netherlands", "Netherlands"]
• Hive account@mistressonline : ["The Netherlands"]
• Hive account@mjtravel : ["Netherlands", "France"]
• Hive account@montycashmusic : ["The World", "Weert, Netherlands"]
• Hive account@musicapoetica : ["Netherlands", "Netherlands"]
• Hive account@nantoriousb : ["Netherlands", "Netherlands"]
• Hive account@nieuwscafe : ["Amsterdam"]
• Hive account@nobyeni : ["Netherlands", "Netherlands"]
• Hive account@nozem01 : ["The Netherlands"]
• Hive account@nymia.aryn : ["The world", "The Netherlands"]
• Hive account@oddballgraphics : ["Netherlands", "The Hague NL"]
• Hive account@omgodist : ["the Netherlands"]
• Hive account@oudekrijger : ["Netherlands"]
• Hive account@p4ragon : ["The Netherlands", "The Netherlands"]
• Hive account@patrycjabart : ["The Netherlands"]
• Hive account@petrajordan : ["Amsterdam, Netherlands", "Amsterdam, Netherlands"]
• Hive account@pibara : ["Netherlands", "Netherlands"]
• Hive account@pieternijmeijer : ["The Netherlands"]
• Hive account@playfulfoodie : ["The Netherlands", "The Netherlands"]
• Hive account@plint : ["Netherlands"]
• Hive account@plints : ["Netherlands"]
• Hive account@primalamusica : ["The Netherlands"]
• Hive account@pundito : ["The Netherlands", "The Netherlands"]
• Hive account@r00sj3 : ["Amsterdam", "Amsterdam"]
• Hive account@rickert-demaquis : ["The Netherlands"]
• Hive account@rival : ["The Netherlands"]
• Hive account@roelandp : ["Amsterdam, NL", "Amsterdam, NL"]
• Hive account@sanderjansenart : ["Netherlands", "Netherlands"]
• Hive account@shepherd-stories : ["The Netherlands", "In our Basket at home"]
• Hive account@shourai : ["Amsterdam", "Amsterdam"]

And the final bunch:

• Hive account@silentbot : ["Netherlands"]
• Hive account@sinzzer : ["Netherlands", "Netherlands"]
• Hive account@slacktmusic : ["Netherlands", "Netherlands"]
• Hive account@small1axe : ["origin : North Holland "]
• Hive account@smasssh : ["Netherlands, Sweden and France", "Netherlands, Sweden and France"]
• Hive account@soyrosa : ["The Netherlands", "The Netherlands"]
• Hive account@sports-meme.gif : ["Amsterdam, NL"]
• Hive account@steef-05 : ["Netherlands", "Netherlands"]
• Hive account@steemspoker : ["The Netherlands", "The Netherlands"]
• Hive account@stresskiller : ["Netherlands", "Netherlands"]
• Hive account@suc7 : ["Holland", "Holland"]
• Hive account@thijsvermeer : ["The Netherlands"]
• Hive account@tijntje : ["the Netherlands", "the Netherlands"]
• Hive account@tristantje : ["Netherlands"]
• Hive account@trouw1 : ["Netherlands"]
• Hive account@tubsie : ["Netherlands"]
• Hive account@ugochill : ["Amsterdam", "Amsterdam"]
• Hive account@virginiamrp : ["Netherlands"]
• Hive account@visualcreations : ["Netherlands"]
• Hive account@vrouw : ["Amsterdam"]
• Hive account@wazza84 : ["The Netherlands"]
• Hive account@xsasj : ["Holland & Austria"]
• Hive account@yeetmaster : ["Netherlands "]
• Hive account@yutu : ["The Netherlands"]
• Hive account@yourmarklubbers : ["Amsterdam"]

And a few I think I missed earlier in specific cities other than Amsterdam:

• Hive account@exyle : ["Rotterdam, NL", ""]
• Hive account@s3rg3 : ["Rotterdam, NL", "Rotterdam, NL"]
• Hive account@spijkenisse : ["Rotterdam"]
• Hive account@waltermulder : ["Rotterdam"]
• Hive account@artakush : ["The Hague", "The Hague"]
• Hive account@greendeliver-sm : ["Den haag", "Den haag"]
• Hive account@hans001 : ["Den haag", "Den haag"]
• Hive account@lordflu : ["Utrecht"]
• Hive account@evertjes : ["Eindhoven"]
• Hive account@mathowl : ["Groningen", "Groningen"]
• Hive account@miqlos : ["Groningen"]
• Hive account@myqlos : ["Groningen"]
• Hive account@fathin-shihab : ["Almere", "Almere"]

Could be there are some other citties I've missed, Hive account@coldbeetrootsoup , but this list should get you most of the dutches who want to be identified as such, I think.