Question: Auguste Charlois who discovered 317 Roxane named for Roxana from what area
Context: 405 Thia is a very large main-belt asteroid.  It is classified as a C-type asteroid and is probably composed of carbonaceous material.  This object was discovered by Auguste Charlois on July 23, 1895, in Nice, and was named after Theia (sometimes written "Thea" or "Thia"), a Titaness in Greek mythology. 374 Burgundia is a typical main belt asteroid that was discovered by Auguste Charlois on 18 September 1893 in Nice.  It was named for the former French region of Burgandy.  It is one of seven of Charlois's discoveries that was expressly named by the Astromomisches Rechen-Institut (Astronomical Calculation Institute). 356 Liguria is a very large main-belt asteroid that was discovered by Auguste Charlois on January 21, 1893, in Nice.  It is one of seven of Charlois's discoveries that was expressly named by the Astromomisches Rechen-Institut (Astronomical Calculation Institute), and was named for the Italian region. USS "Roxane" (AKA-37) was an "Artemis"-class attack cargo ship named after the minor planet "317 Roxane," which in turn was named after Roxana, the wife of Alexander the Great.  USS "Roxane" served as a commissioned ship for 14 months. 349 Dembowska is a large asteroid of the main belt, discovered on December 9, 1892, by the French astronomer Auguste Charlois while working at the observatory in Nice, France.  It is named in honor of the Baron Hercules Dembowski, an Italian astronomer who made significant contributions to research on double and multiple stars. 307 Nike is a sizeable asteroid of the asteroid belt.  It was discovered by Auguste Charlois on 5 March 1891 while working at the Nice Observatory.  Charlois named it after the Greek goddess of victory, as well as the Greek name for the city where it was discovered.  Measurement of the light curve of this asteroid in 2000 indicates a rotation period of 7.902 ± 0.005 hours. 277 Elvira is a typical main belt asteroid and is a member of the Koronis asteroid family.  It was discovered by Auguste Charlois on 3 May 1888 in Nice.  (277) Elvira is possibly named for a character in Alphonse de Lamartine’s "Méditations poétiques" (1820) and "Harmonies poétiques et religieuses" (1830). Roxana (Ancient Greek: Ῥωξάνη ; Old Iranian "Raoxshna"; sometimes Roxanne, Roxanna, Roxandra and Roxane) was a Sogdian princess of Bactria and a wife of the Greek Macedonian king, Alexander the Great.  She was born in c. 340 BC though the precise date remains uncertain and died in c. 310 BC. 327 Columbia is a stony asteroid from the middle region of the asteroid belt, approximately 26 kilometers in diameter.  It was discovered on 22 March 1892, by French astronomer Auguste Charlois at Nice Observatory in southeast France.  It is named after Christopher Columbus (1451–1506). 317 Roxane is an asteroid from the asteroid belt approximately 19 km in diameter.  It was discovered by Auguste Charlois from Nice on September 11, 1891.  The name was chosen by F. Bidschof, an assistant at the Vienna Observatory, at Charlois's request; Bidschof chose to name it after Roxana, the wife of Alexander the Great, and at first used the spelling Roxana.
Answer: Bactria