Aach is a German-language toponym and frequent element in place names and may refer to: *

Aach (toponymy) ''Aach'' (variants ''Ach'', ''Ache''; ''Aa'') is a widespread Upper German hydronym, from an Old High German ''aha'' (Proto-Germanic '' *ahwō'') "running water" (ultimately from PIE '' *hakʷā-'' "(moving) water"). The word has also been reduced ...

Rivers and streams

Ach (Blau) The Ach, also called Aach, is a river located in Baden-Württemberg, Germany. It flows into the Blau in Blaubeuren. Geography Source The river Ach has its source west of Schelklingen in the Achursprung (535 m above sea level), a karst spri ...

, also known as ''Aach'', tributary of the Blau River, Germany * Aach, tributary of the Rietaach, near

Altstätten , neighboring_municipalities= Eichberg, Feldkirch (AT-8), Gais (AR), Marbach, Oberegg (AI), Oberriet, Ruggell (LI), Rüte (AI), Rüthi, Sennwald, Trogen (AR) , twintowns = Altstätten is a small historic rural town and a municipality in th ...

, Switzerland * Memminger Aach, tributary of the Danube, Bavaria, Germany * Tributaries of the Rhine which flow into Lake Constance: ** Aach (Arbon), near Arbon, Arbon district, Switzerland **Aach, near

Romanshorn Romanshorn is a municipality in the district of Arbon in the canton of Thurgau in Switzerland. History Romanshorn was probably settled in the 7th century, and is first mentioned in 779 as ''Rumanishorn'' in a land grant from Waldrata to the Abbe ...

, Arbon district, Switzerland **

Radolfzeller Aach The Radolfzeller Aach (also known as Hegauer Aach) is a right or north tributary of the Rhine in the south of Baden-Württemberg (Germany). It is approximately 32 km long. Course The source of the river is the ''Aachtopf'' in Aach, the la ...

, near Radolfzell, Baden-Württemberg, Germany **

Seefelder Aach The Seefelder Aach is a river in the districts of Sigmaringen and Bodenseekreis, Tübingen region, southern Baden-Württemberg, Germany. It is approximately 55 kilometres long and flows into Lake Constance. It has a catchment area of 279 ...

, also called ''Linzer Aach'', Unteruhldingen, Germany ***Deggenhauser Aach, left tributary near

Salem, Baden-Württemberg Salem is a municipality in the Bodensee district of Baden-Württemberg in Southern Germany, located 9 km north of Lake Constance, with a population of 11,100. Geography The community is located about nine kilometers east of Überlingen a ...

, Germany **

Stockacher Aach Stockacher Aach is a river of Baden-Württemberg, Germany. It is a tributary to Lake Constance, which is drained by the Rhine. It passes through Stockach and flows into Lake Constance near Bodman-Ludwigshafen. See also *List of rivers of Baden-W ...

, near Bodman, Baden-Württemberg, Germany ***Mahlspürer Aach, left tributary near

Stockach Stockach is a town in the district of Konstanz, in southern Baden-Württemberg, Germany. Location It is situated in the Hegau region, about 5 km northwest of Lake Constance, 13 km north of Radolfzell and 25 km northwest of Konstan ...

, Baden-Württemberg, Germany *

Zwiefalter Aach The Zwiefalter Aach or Zwiefalter Ach is a river in Reutlingen district and Biberach district in Baden-Württemberg, Germany. It is approximately 9 kilometres long and is a tributary of the Danube near Zwiefalten. The river is known for the Wimse ...

, tributary of the Danube near Zwiefaltendorf, Baden-Württemberg, Germany

Localities

Aach, Baden-Württemberg Aach () is a small town in the German state of Baden-Württemberg (the region of Hegau). Being situated close to Lake Constance and the Swiss border, it is mostly known for the Aachtopf — Germany's biggest natural spring in terms of production. ...

, Germany * Aach, a district of

Dornstetten Dornstetten is a town in the district of Freudenstadt in Baden-Württemberg in southern Germany. It is situated in the Black Forest, 7 km east of Freudenstadt. It was founded in the early Middle Ages and is well known for its half-timbered ...

, Baden-Württemberg, Germany *

Aach, Rhineland-Palatinate Aach () is a municipality in the German state of Rhineland-Palatinate. It is part of Trier-Land, a ''Verbandsgemeinde''. History The settlement of Aach dates to the Bronze Age. Later there also was a settlement of the Roman Empire. The current ...

, Germany * Aach, a town in the community of

Braunau, Switzerland Braunau is a municipality in the district of Münchwilen in the canton of Thurgau in Switzerland. History Braunau is first mentioned in 762 as ''Pramacunauia'', when it was owned by the Abbey of St. Gall. It was acquired when the Abbey acqu ...

* Aach, a town in the municipality of

Tübach Tübach is a municipality in the ''Wahlkreis'' (constituency) of Rorschach in the canton of St. Gallen in Switzerland. Geography Tübach has an area, , of . Of this area, 60.5% is used for agricultural purposes, while 7.7% is forested. The res ...

, Switzerland * Aach im Allgäu, a district of

Oberstaufen Oberstaufen ( Low Alemannic: ''Schtoufe'') is a municipality in the district of Oberallgäu in Bavarian Swabia, Germany, situated on the B 308 road from Lindau to Immenstadt. History It is first mentioned as ''Stoufun'' in AD 868. Historically ...

, Bavaria, Germany * Aach-Linz, a district of

Pfullendorf Pfullendorf is a small town of about 13,000 inhabitants located north of Lake Constance in Baden-Württemberg, Germany. It was a Free Imperial City of the Holy Roman Empire for nearly 600 years. The town is in the district of Sigmaringen south of ...

, Baden-Württemberg, Germany

People

Aach (surname) Aach, also von Aach, is a German surname derived from the toponym Aach. Notable people of the name include: * Hans Günther Aach (1919–1999), German botanist * Herb Aach Herbert Aach (March 24, 1923 – October 13, 1985) was an American pai ...

, a German surname derived from the toponym