What is Gelfingen?
{{Infobox Swiss town | subject_name = Gelfingen | municipality_name = Gelfingen | municipality_type = former | imagepath_coa = Coat of arms of Gelfingen.svg|pixel_coa= | map = Karte Gemeinde Gelfingen.png | languages = German | canton = Lucerne | iso-code-region = CH-LU | district = [[Hochdorf (district)|Hochdorf]] |coordinates={{coord|47|13|N|8|16|E|display=inline,title}} | postal_code = 6284 | municipality_code = 1027 | area = 3.86 | elevation = 472|elevation_description= | population = 764 | populationof = Dec 2007 | website = www.gelfingen.ch | mayor = |mayor_asof=|mayor_party= | mayor_title = |list_of_mayors = | places = | demonym = | neighboring_municipalities= [[Hitzkirch]], [[Hohenrain]], [[Lieli, Switzerland|Lieli]], [[Retschwil]], [[Römerswil]], [[Sulz, Lucerne|Sulz]] | twintowns = }} '''Gelfingen''' is a [[municipality]] of the [[district]] of [[Hochdorf (district)|Hochdorf]] in the [[Cantons of Switzerland|canton]] of [[Lucerne (canton)|Lucerne]] in [[Switzerland]]. On 1 January 2009, the former municipalities of Gelfingen, [[Hämikon]], [[Mosen, Lucerne|Mosen]], [[Müswangen]], [[Retschwil]] and [[Sulz, Lucerne|Sulz]] merged into the municipality of [[Hitzkirch]]. [[File:Gelfingen-Schloss-Heidegg.jpg|thumb|left|200px|Heidegg Castle]] {{Switzerland-stub}} [[Category:Former municipalities of Lucerne]]