What is Aachen?
{{EngvarB|date=October 2017}} {{Use dmy dates|date=December 2020}} {{Infobox settlement | name = Aachen | native_name = | settlement_type = [[Municipalities of Germany|Municipality]] <!-- images, nickname, motto --> | image_skyline = Aachen Cathedral night.jpg | imagesize = 265px | image_caption = View of Aachen Cathedral | image_flag = Flagge Aachen.svg | image_seal = DEU Aachen COA.svg <!-- maps and coordinates --> | pushpin_map = Germany | pushpin_mapsize = 265px | pushpin_label_position = | pushpin_relief = yes | coordinates = {{coord|50|46|34.0|N|6|05|01.6|E}} <!-- location --> | subdivision_type = [[List of sovereign states|Country]] | subdivision_name = {{GER}} | subdivision_type1 = [[States of Germany|State]] | subdivision_name1 = {{flag|North Rhine-Westphalia|name=Nordrhein-Westfalen}} | subdivision_type2 = ''[[Regierungsbezirk]]'' | subdivision_name2 = [[Cologne (region)|Köln]] | subdivision_type3 = [[Districts of Germany|District]] | subdivision_name3 = Aachen <!-- government type, leaders --> | leader_title = Mayor | leader_name = Sibylle Keupen <!-- area --> | area_total_km2 = 160.8 <!-- population --> | population_total = 236,420 | population_as_of = January 1, 2001 | population_density_km2 = 1,470 <!-- time zone(s) --> | timezone = [[Central European Time|CET]] | utc_offset = +01:00 <!-- postal codes, area code --> | postal_code_type = [[Postal code]](s) | postal_code = 52062–52080 | area_code_type = [[Telephone numbering plan|Area code]](s) | area_code = 0241, 02405, 02407, 02408 <!-- blank fields (section 1) --> | blank_name_sec2 = [[Community Identification Number|CIN]] | blank_info_sec2 = 05334002 | blank1_name_sec2 = Address | blank1_info_sec2 = <!-- website, footnotes --> | website