The Meertens Institute in Amsterdam is a research institute for Dutch language and culture within the Royal Netherlands Academy of Arts and Sciences.
Its two departments are Dutch ethnology, focusing on indigenous and exotic cultures in the Netherlands and their interaction, and Variation, focusing on structural, dialectal, and sociolinguistic research on language variation within the Netherlands, with an emphasis on grammar and onomastic variety.
Wikipedia https://en.wikipedia.org/wiki/Meertens_Institute
Official Website http://www.meertens.knaw.nl/
Coordinates 52°22'14.081" N 4°53'47.747" E