Sakai is a city located in Fukui Prefecture, Japan. As of 10 May 2018, the city had an estimated population of 92,210 in 31,509 households and a population density of 550 persons per km2. The total area of the city was 209.67 square kilometres (80.95 sq mi).

The Mikuni Awara Line is a railway line operated by Echizen Railway in Fukui Prefecture. The line extends 27.8 km from the city of Fukui to Mikuni-Minato station at Sakai with a total of 22 stations. It was operated by Keifuku Electric Railway until 2001; Echizen Railway took over the line in 2003.