Yes I believe the article was originally called Double placenames but was then renamed List of Somewhat confusingly there is also a Wikipedia page Category Double named places which refers to what would more accurately be called reduplicative placenames such as Pago Pago This suggests that double is rather an ambiguous term since various sorts of doubleness are conceivable Wouldn t Amalgamated placenames be more accurate As for Budapest it s the notable example there of a completely merged spelling without any space It would be good for this page to include a cities list of manageable length let s say 10 items but how could one define this places with more than 100 000 inhabitants