Chirvan

Etymology
From

Proper noun

 * 1) * 1771, Encyclopaedia Britannica, 1st ed., Vol. II, p. 192:
 * CHIRVAN, a province of Perſia, lying on the western coaſt of the Caſpian ſea.
 * CHIRVAN, a province of Perſia, lying on the western coaſt of the Caſpian ſea.