Gartlage is a district of the city of Osnabrück, Lower Saxony, Germany. It is situated next to the Innenstadt (city centre).As of late 2008 the Gartlage district was home to 2,403 households comprising 3,644 residents; a rise of 24 residents from the previous year. The district has a land area of 169.2 hectares, making it the second smallest in Osnabrück after the Innenstadt (163 hectares).