Question: Where was the battle that Hans-Heinrich Sixt von Armin surrendered in fought?>

Context paragraphs:
Friedrich Sixt von Armin: Friedrich Bertram Sixt von Armin (27 November 1851 – 30 September 1936) was a German general who participated in the Franco-Prussian War and the First World War.  In the latter he participated in many battles on the Western Front, including the Battles of Passchendaele and the Lys.

Earl of Lindsey: Earl of Lindsey is a title in the Peerage of England.  It was created in 1626 for the 14th Baron Willoughby de Eresby (see Baron Willoughby de Eresby for earlier history of the family).  He was First Lord of the Admiralty from 1635 to 1636 and also established his claim in right of his mother to the hereditary office of Lord Great Chamberlain of England.  Lord Lindsey fought on the Royalist side in the Civil War and was killed at the Battle of Edgehill on 23 October 1642.  He was succeeded by his son, the second Earl.  He also fought at Edgehill and surrendered to the Parliamentarians in order to attend his mortally wounded father.  Lord Lindsey later fought at the First Battle of Newbury, Second Battle of Newbury, and at Naseby.  His son from his second marriage, James, was created Earl of Abingdon in 1682.  He was succeeded by his son from his first marriage to Martha Cockayne, the third Earl.  He represented Boston in the House of Commons and served as Lord Lieutenant of Lincolnshire.

Battle of West Point: The Battle of West Point was fought on April 16, 1865 in West Point, Georgia, during General James H. Wilson's raid in the South during the American Civil War.  This battle was fought at Fort Tyler seven days after Confederate General Robert E. Lee surrendered to Union General Ulysses S. Grant and two days after the assassination of President Abraham Lincoln, making it one of the last battles of the Civil War east of the Mississippi River and making Fort Tyler the last Confederate fort captured by the Union.  The same day, just 30 miles to the south, the Battle of Columbus, Georgia, was fought by another division of Wilson's raiders.  News of the surrender of Robert E. Lee's Army of Northern Virginia reached the opposing forces in Georgia the day after the battle effectively ending the war east of the Mississippi River.

Karl Ludwig von Lecoq: Karl Ludwig von Lecoq or Karl Ludwig von Le Coq, born 23 September 1754 – died 14 February 1829, of French Huguenot ancestry, first joined the army of the Electorate of Saxony.  He later transferred his loyalty to the Kingdom of Prussia and fought during the French Revolutionary Wars, earning a coveted award for bravery.  While serving variously as a staff officer and diplomat, he became renowned as an expert cartographer.  In 1806 he was entrusted with command of the forces in northwest Germany.  Cut off from the main body of the Prussian army after the disaster at the Battle of Jena-Auerstedt, he concentrated his troops in the fortress of Hameln.  After a brief siege, he surrendered his troops to an inferior force of enemies.  For this, he was sentenced to life imprisonment.  However, he was later pardoned and continued his map-making until he went blind.

6th Guards Army: The 6th Guards Army was formed on 16 April 1943 from the 21st Army and fought under command of the Voronezh, 1st Baltic, 2nd Baltic, and Leningrad Fronts from 1943 until the end of the war.  In 1943, the army fought in the Battle of Kursk.  During the summer of 1944, the army fought in Operation Bagration, the Polotsk Offensive, the Šiauliai Offensive and the Riga Offensive.  During the Battle of Memel, the army helped drive German troops into what became the Courland Pocket.  The 6th Guards Army was one of the Soviet formations committed to besieging German Army Group "Kurland" in the Courland Peninsula.  This was a lengthy operation that continued until the Germans in Courland surrendered on May 12, 1945.  Postwar, the army was stationed in the Baltic region until its disbandment in 1947.

Battle of Durbe: The Battle of Durbe (Latvian: "Durbes kauja" , Lithuanian: "Durbės mūšis" , German: "Schlacht an der Durbe" ) was a medieval battle fought near Durbe, 23 km east of Liepāja, in present-day Latvia during the Livonian Crusade.  On 13 July 1260, the Samogitians soundly defeated the joint forces of the Teutonic Knights from Prussia and Livonian Order from Livonia.  Some 150 knights were killed, including Livonian Master Burchard von Hornhausen and Prussian Land Marshal Henrik Botel.  It was by far the largest defeat of the knights in the 13th century: in the second-largest, the Battle of Aizkraukle, 71 knights were killed.  The battle inspired the Great Prussian Uprising (ended in 1274) and the rebellions of the Semigallians (surrendered in 1290), the Couronians (surrendered in 1267), and the Oeselians (surrendered in 1261).  The battle undid two decades of Livonian conquests and it took some thirty years for the Livonian Order to restore its control.

Battle of Stalingrad: The Battle of Stalingrad (23 August 1942 – 2 February 1943) was a major battle of World War II in which Nazi Germany and its allies fought the Soviet Union for control of the city of Stalingrad (now Volgograd) in Southern Russia.

Battle of Tsushima: The Battle of Tsushima (Russian: Цусимское сражение , "Tsusimskoye srazheniye"), also known as the Battle of Tsushima Strait and the Naval Battle of the Sea of Japan (Japanese: 日本海海戦, "Nihonkai-Kaisen") in Japan, was a major naval battle fought between Russia and Japan during the Russo-Japanese War.  It was naval history's only decisive sea battle fought by modern steel battleship fleets, and the first naval battle in which wireless telegraphy (radio) played a critically important role.  It has been characterized as the "dying echo of the old era – for the last time in the history of naval warfare, ships of the line of a beaten fleet surrendered on the high seas".

Hans-Heinrich Sixt von Armin: Hans-Heinrich Sixt von Armin (6 November 1890 – 1 April 1952) was a German general during World War II who commanded several divisions.  He was a recipient of the Knight's Cross of the Iron Cross.  Armin surrendered following the Battle of Stalingrad in 1943 and died in Soviet captivity on 1 April 1952.  He was the son of WW I general Friedrich Bertram Sixt von Armin.

Battle of Metz: The Battle of Metz was a battle fought during World War II at the city of Metz, France, from late September 1944 through mid-December between the U.S. Third Army commanded by Lieutenant General George Patton and the German Army commanded by General Otto von Knobelsdorff.  Strong German resistance resulted in heavy casualties for both sides.  The city was captured by U.S. forces and hostilities formally ceased on November 22; the last of the forts defending Metz surrendered on December 13.

Supporting paragraphs: Hans-Heinrich Sixt von Armin Battle of Stalingrad
Answer: Southern Russia