Heki, Yamaguchi
Heki was a town located in Ōtsu District, Yamaguchi Prefecture, Japan.
As of 2003, the town had an estimated population of 4,602 and a density of 102.68 persons per km2. The total area was 44.82 km2.
On March 22, 2005, Heki, along with the towns of Misumi and Yuya, was merged into the expanded city of Nagato.