Editing New Castle, Pennsylvania (section)

===International relations===
The town is part of a worldwide network of towns and cities with the name [[Newcastle (disambiguation)|Newcastle]]<!--intentional link to DAB page-->.<ref>{{Cite web |url=http://www.bbc.co.uk/stoke/content/articles/2006/08/11/newcastle_under_lyme_towns_feature.shtml |publisher=BBC Stoke |title=Towns and Villages – Newcastle-under-Lyme |access-date=May 6, 2007}}</ref> These include cities in [[Newcastle, New South Wales|Australia]], [[Newcastle, Ontario|Canada]], [[Nové Hrady (České Budějovice District)|Czech Republic]], [[Nyborg|Denmark]], [[Akhaltsikhe|Georgia (country)]], [[Neuburg an der Donau|Germany]], [[New Castle, Indiana|Indiana]], [[Shinshiro|Japan]], [[Jaunpils|Latvia]], [[Kota Bharu|Malaysia]], [[Herceg Novi|Montenegro]], [[Nové Zámky|Slovakia]], [[Newcastle, KwaZulu-Natal|South Africa]], [[Neuchâtel|Switzerland]], and the [[Newcastle upon Tyne|United Kingdom]].<ref>{{cite web |url=https://newcastlesoftheworld.com/ |title=Newcastles of the World |publisher=Newcastles of the World |access-date=February 23, 2023}}</ref> Representatives from New Castle have attended the bi-annual ''Newcastles of the World'' [[Newcastle-under-Lyme|summit]] since 1998.<ref>{{Cite web |url=http://www.newcastle-staffs.gov.uk/newsarticle.asp?id=SX9F7A-A7801EF2 |title=Warm welcome for summit delegates |publisher=Newcastle-under-Lyme Borough Council |date=June 15, 2006 |access-date=May 5, 2007 |url-status=dead |archive-url=https://web.archive.org/web/20070311045229/http://www.newcastle-staffs.gov.uk/newsarticle.asp?id=SX9F7A-A7801EF2 |archive-date=March 11, 2007}}</ref>