 In the movie the grail is located in the Republic of Hatay near the  city of Alexandretta. There actually was a Republic of Hatay from  1938 to 1939, after the region was granted independence from French  Syria and before it became a province of Turkey. The capital of  Hatay was Alexandretta before 1939 when the citys name was changed  to Iskenderun and the capital moved to Antioch. An early title  indicates the movies action takes place in 1938.