Groenlo is a
city in the
municipality of
Oost Gelre, situated in the
eastern part of the
Netherlands on the
German border, a region in the
province of
Gelderland called the Achterhoek (literally: "back corner"). Groenlo was a municipality until 1 January 2005, when it
merged with
Lichtenvoorde. Until May 19, 2006 Groenlo was the official name of Oost Gelre. As of 1 January 2006 Groenlo, including its hamlet Zwolle, counted a population of 10,067. Groenlo is known locally and historically as Grolle, Groll or Grol.