Some 7 kms before (inland from) Phanrang, I came across this thirteenth century Cham temple known as the Po Klong Garai Towers (my photograph taken in Nov. 1956 is in the center, flanked by two others I downloaded from the WWW in Mar.2002; it appears as if some renovations have been made...).This region is semi-arid and known for its table grapes.
Along the road from Dalat to Nhatrang, crossing over a river near the coastal town of Phanrang which, based on a lone pillar inscribed in Arabic dated from the 10th century is one of the first Muslim eastern trading posts.
Some more recent history [70 Altavista results for "Phanrang"]:
"Oct.1944: USS Bergall SS 320 operates off Phanrang".
"During the night of 25-26 January 1945, 25 of 26 B-29's dispatched from the 58th BW sow mines in the approaches to Phanrang Bay, Siagon , and Camranh Bay (Mission 30).
"Spr.1996: Temples at Phan Rang".
"Jan.2000: about goat production in C. Vietnam".