Seki (関市, Seki-shi) is a city located in Gifu, Japan. As of 1 January 2019, the city had an estimated population of 89,020 and a population density of 190 persons per km2 in 35,366 households. The total area of the city was 472.33 square kilometres (182.37 sq mi).
= Seki station is on the Nagaragawa Railway Line. It is seven stops away from Mino Ōta st. at Takayama Main Line.
Seki was once known for samurai swords; now it's famous for the quality of its kitchen knives.