What is Obertshausen?
{{Infobox German Location |Name = Obertshausen |German_name = |Art = City |image_photo = |imagesize = |image_caption = |Wappen = Wappen Obertshausen.png |Wappengröße = |coordinates = {{coord|50|4|N|8|50|E|format=dms|display=inline,title}} |Karte = |Lageplan = Seligenstadt_in_OF.svg |Lageplanbeschreibung = |Bundesland = Hesse |Regierungsbezirk = Darmstadt |Landkreis = Offenbach|Kreis = |Amt = |Gemeindeverwaltungsverband = |Samtgemeinde = |Verbandsgemeinde = |Verwaltungsgemeinschaft = |Verwaltungsverband = |Höhe = 113 |elevationmax = |Fläche = 13.62 |area_metro = |Einwohner = 24141 |pop_metro = |Stand = 31.12.2008 |pop_ref = |PLZ = 63179 |PLZ-alt = |Vorwahl = 06104 |Kfz = OF |Gemeindeschlüssel= 06438010 |NUTS = |LOCODE = |Gliederung = 2 Urban Districts |Website = [https://www.obertshausen.de/ www.obertshausen.de] |Bürgermeister = Bernd Roth |Bürgermeistertitel = |Partei = CDU |ruling_party1 = [[CDU]]|ruling_party2 = FDP|ruling_party3 = |year = 1977 |_noautocat = }} '''Obertshausen''' is a city in the [[Offenbach Rural District]] in the state of [[Hesse]], [[Germany]]. == Geography == Obertshausen is in the ''Rhine Main area''. The town is about 15&nbsp;km southeast of [[Frankfurt am Main|Frankfurt]]. The whole area of the town is 13.62&nbsp;km<sup>2</sup> large and it is 113 m above sea level.<ref>[http://www.obertshausen.de/ Homepage of the City of Obertshausen], looked up on 21 January 2010, German.</ref> It is a plain area with no hills. About 35 to 20 million years ago in the Age of [[Tertiary]] the whole region was lying under sea level. At that time it was covered by an ocean which was warm and not very deep. Lots of [[sediment]]s sank to its bottom. Then the region rose again and the water left, leaving soi