Groningen (Netherlands)

Groningen is the capital city and main municipality of the province of Groningen in the Netherlands. The city is described in the supplied encyclopedia excerpt as "dubbed the 'capital of the north'" and as the largest city and the economic and cultural centre of the northern part of the country; population figures in the provided source state that "as of January 2025, it had 244,807 inhabitants" and that "as of 2025, the Groningen metro area had a population of 557,369 inhabitants." The research notes include bibliographic references to three early-19th-century local newspaper issues (Groninger courant 1816 and 1819; Staatkundig dagblad van de provincie Groningen 1814), but no article content from those issues was supplied. The supplied materials contain no accounts of paranormal phenomena, no named supernatural entities, and no folklore linking Groningen (Netherlands) to ruined plantation sites or ghost stories in Suriname. The user's requested target — "Groningen (ghost stories around ruined plantation sites) (Suriname)" — cannot be substantiated from these sources. The available documentation therefore restricts this entry to the extant urban municipality in the Netherlands and notes the absence of any paranormal or plantation-related material in the supplied corpus. Additional, site-specific research into Surinamese plantation sites named Groningen (if any) and their associated folklore would be required to create a separate, evidence-based entry on that subject.