The commune of Luxembourg City covers an area of over , or 2% of the Grand Duchy's total area. This makes the city the fourth-largest commune in Luxembourg, and by far the largest urban area. Luxembourg City is not particularly densely populated, at about 1,700 people per km2; large areas of Luxembourg City are maintained as parks, forested areas, or sites of important heritage (particularly the UNESCO sites), while there are also large tracts of farmland within the city limits.