What is Arguin?
{{Infobox settlement | name = Arguin | native_name = أرغين | settlement_type = | image_skyline = Fort of Arguin 1721.jpg | imagesize = 300px | image_caption = The Portuguese fort of Arguin | image_flag = | image_seal = | image_map = | map_caption = | subdivision_type = [[List of sovereign states|Country]] | subdivision_type1 = [[Regions of Mauritania|Region]] | subdivision_name = {{MRT}} | subdivision_name1 = [[Dakhlet Nouadhibou Region]] | subdivision_type2 = | subdivision_name2 = | established_title = Founded | established_date = | government_type = | leader_title = | leader_name = | area_magnitude = | area_total_sq_mi = | area_total_km2 = | area_land_sq_mi = | area_land_km2 = | area_urban_sq_mi = | area_urban_km2 = | area_metro_km2 = | area_metro_sq_mi = | population_as_of = | population_footnotes = | population_total = | population_urban = | population_metro = | population_density_sq_mi = | population_density_km2 = auto | timezone = | utc_offset = | timezone_DST = | utc_offset_DST = | coordinates = {{coord|20.6000|N|16.4500|W|region:MR|display=inline,title}} | elevation_footnotes = | elevation_m = 0 | elevation_ft = | postal_code_type = | postal_code = | area_code = | websi