Mergers from April 1, 1999 to Present

• On March 1, 2004 - the towns of Awara and Kanazu from Sakai District
  Sakai District, Fukui
  Sakai was a district located in Fukui, Japan.As of October 1, 2005, the district had an estimated population of 92,312 and a density of 439.77 persons per km²...
  
   merged, forming the new city of Awara
  Awara, Fukui
  is a city located in Fukui, Japan.As of October 1, 2005, the city has an estimated population of 31,080 and the density of 265.66 persons per km². The total area is 116.99 km²....
  
  .

• On January 1, 2005 - the municipalities of Imajō
  Imajo, Fukui
  Imajō was a town located in Nanjō District, Fukui, Japan.On January 1, 2005 Imajō was merged with the town of Nanjō and village of Kōno, all from Nanjō District, to form the new town of Minamiechizen...
  
  , Kōno
  Kono, Fukui
  Kōno was a village located in Nanjō District, Fukui, Japan.On January 1, 2005 Kōno was merged with the towns of Imajō and Nanjō, all from Nanjō District, to form the new town of Minamiechizen...
  
  , and Nanjō
  Nanjo, Fukui
  was a town located in Nanjō District, Fukui, Japan.On January 1, 2005 Nanjō was merged with the town of Imajō and village of Kōno, all from Nanjō District, to form the new town of Minamiechizen. As of this merger, the town of Nanjō no longer exists as an independent municipality.As of 2003, the...
  
   from Nanjō District
  Nanjo District, Fukui
  is a district located in Fukui, Japan.As of October 1, 2005, the district has an estimated population of 12,273 and a density of 35.69 persons per km². The total area is 343.84 km².-Towns and villages:...
  
   merged, forming the new town of Minamiechizen
  Minamiechizen, Fukui
  is a town located in Nanjō District, Fukui, Japan.Minamiechizen was formed on January 1, 2005 by the merger of the two former towns and one former village in Nanjō District: Imajō, Kōno, and Nanjō....
  
  .

• On February 1, 2005 - the municipalities of Asahi
  Asahi, Fukui
  was a town located in Nyū District, Fukui, Japan.On February 1, 2005 Asahi was merged with the town of Ota, and the village of Miyazaki, to form the new town of Echizen. As of this merger Asahi no longer exists as an independent municipality....
  
  , Miyazaki
  Miyazaki, Fukui
  Miyazaki was a village located in Nyū District, Fukui, Japan.On February 1, 2005 Miyazaki was merged with the towns of Asahi and Ota, to form the new town of Echizen. As of this merger Miyazaki no longer exists as an independent municipality....
  
  , and Ota
  Ota, Fukui
  was a town located in Nyū District, Fukui, Japan.On February 1, 2005 Ota was merged with the town of Asahi, and the village of Miyazaki, to form the new town of Echizen. As of this merger Ota no longer exists as an independent municipality....
  
   from Nyū District
  Nyu District, Fukui
  is a district located in Fukui Prefecture, Japan.As of 2005, the district has an estimated population of 23,995 and a density of 157 persons per km²...
  
   merged into the town of Echizen
  Echizen, Fukui (town)
  is a town located in Nyū District, Fukui, Japan.On February 1, 2005 the towns of Asahi and Ota, and the village of Miyazaki, all from Nyū District, were merged into Echizen....
  
  .

• On March 31, 2005 - the towns of Kaminaka
  Kaminaka, Fukui
  was a town located in Onyū District, Fukui, Japan.As of 2003, the town had an estimated population of 8,270 and a density of 100.76 persons per km². The total area was 82.08 km²....
  
   from Onyū District
  Onyu District, Fukui
  was a district located in Wakasa Province, Fukui, Japan until 2005.The time before the dissolution, the district had an area of 143.83km² with an estimated population of 2,747 with an area of 1,088 and a density of 49.08 persons per square kilometer. The total area is 225.91 km²...
  
   and Mikata
  Mikata, Fukui
  was a town located in Mikata District, Fukui, Japan.As of 2003, the town had an estimated population of 9,026 and a density of 93.47 persons per km². The total area was 96.57 km²....
  
   from Mikata District
  Mikata District, Fukui
  Mikata is a district located in Fukui, Japan.As of October 1, 2005, the district has an estimated population of 11,023 and a density of 72.37 persons per km²...
  
   merged, forming the new town of Wakasa
  Wakasa, Fukui
  is a town located in Mikatakaminaka District, Fukui, Japan.Wakasa was formed on March 31, 2005 by the merger of the former towns of Mikata, from Mikata District, and Kaminaka, from Onyū District....
  
  in Mikatakaminaka District
  Mikatakaminaka District, Fukui
  Mikatakaminaka is a district located in Fukui, Japan. The district was formed on March 31, 2005 at the same time as the merger of Mikata and Kaminaka forming the town of Wakasa....
  
  .

• On October 1, 2005 - the city of Takefu
  Takefu, Fukui
  was a city located in Fukui, Japan. The city was established on April 1, 1948.On October 1, 2005 Takefu was merged with the town of Imadate, from Imadate District, to form the new city of Echizen....
  
   and the town of Imadate
  Imadate, Fukui
  was a town located in Imadate District, Fukui, Japan.Established in Shōwa 31 , Imadate was a fairly well-renowned center of Japanese paper making, or washi...
  
   from Imadate District
  Imadate District, Fukui
  Imadate is a district located in Fukui, Japan.As of October 1, 2005, the district has an estimated population of 3,405 and a density of 17.49 persons per km². The total area is 194.72 km².- Merger :...
  
   merged, forming the new city of Echizen
  Echizen, Fukui
  is a city in Fukui, Japan.Echizen took its present form on October 1, 2005, when the city of Takefu and the town of Imadate merged to form the new city, although the Echizen Basin has been an important regional center for over 1,500 years. It has many former castle sites and prehistoric...
  
  .

• On November 7, 2005 - the village of Izumi
  Izumi, Fukui
  was a village located in Ōno District, Fukui, Japan.On November 7, 2005 Izumi was merged into the city of Ōno.As of 2003, the village had an estimated population of 701 and a density of 2.11 persons per km². The total area was 332.38 km²....
  
   from Ōno District
  Ono District, Fukui
  was a district located in Fukui Prefecture, Japan.As of 2003, the district had an estimated population of 701 and a density of 2.11 persons per km². The total area was 332.38 km².-Merger:...
  
   merged into the city of Ōno
  Ono, Fukui
  is a city located in Fukui Prefecture, Japan.As of June 1, 2011, the city has an estimated population of 36,890 with 12,016 households and the density of 42.29 persons per km²...
  
  . Ōno District
  Ono District, Fukui
  was a district located in Fukui Prefecture, Japan.As of 2003, the district had an estimated population of 701 and a density of 2.11 persons per km². The total area was 332.38 km².-Merger:...
  
   was dissolved with this merger.

• On February 1, 2006 - the town of Miyama
  Miyama, Fukui
  was a town located in Asuwa District, Fukui Prefecture, Japan.As of 2003, the town had an estimated population of 5,044 and a density of 36.62 persons per km². The total area was 137.73 km²....
  
   from Asuwa District
  Asuwa District, Fukui
  Asuwa was a district located in Fukui Prefecture. The district had a population of 4,941 with an area of 250.74 km²....
  
   and the municipalities of Koshino
  Koshino, Fukui
  was a village located in Nyū District, Fukui Prefecture, Japan.As of 2003, the village had an estimated population of 1,793 and a density of 116.81 persons per km². The total area was 15.35 km²....
  
   and Shimizu
  Shimizu, Fukui
  was a town located in Nyū District, Fukui Prefecture, Japan.As of 2003, the rural town had an estimated population of 10,333 and a density of 243.19 persons per km². The total area was 42.49 km²....
  
   from Nyū District
  Nyu District, Fukui
  is a district located in Fukui Prefecture, Japan.As of 2005, the district has an estimated population of 23,995 and a density of 157 persons per km²...
  
   merged into the city of Fukui
  Fukui, Fukui
  is the capital of Fukui Prefecture, Japan. The city is located in the north-central part of the prefecture on the coast of the Sea of Japan.-Demographics:...
  
  . Asuwa District
  Asuwa District, Fukui
  Asuwa was a district located in Fukui Prefecture. The district had a population of 4,941 with an area of 250.74 km²....
  
   was dissolved with this merger.

• On February 13, 2006 - the town of Matsuoka
  Matsuoka, Fukui
  was a town located in Yoshida District, Fukui, Japan.As of 2003, the town had an estimated population of 11,071 and a density of 595.54 persons per km². The total area was 18.59 km²....
  
   and the village of Kamishihi
  Kamishihi, Fukui
  was a village located in Yoshida District, Fukui, Japan.As of 2003, the village had an estimated population of 3,492 and a density of 137.75 persons per km². The total area was 25.35 km²....
  
   from Yoshida District
  Yoshida District, Fukui
  Yoshida is a district located in Fukui, Japan.As of October 1, 2005, the district has an estimated population of 20,766 and a density of 220.12 persons per km². The total area is 94.34 km².-Merger:...
  
   merged into the town of Eiheiji
  Eiheiji, Fukui
  is a town located in Yoshida District, Fukui, Japan. It is named after the Eihei-ji temple.As of the 2010 national census, the town population is 20,641. The total area is 94.34 km²....
  
  .

• On March 3, 2006 - the village of Natashō
  Natasho, Fukui
  was a village located in Onyū District, Fukui, Japan.On March 3, 2006 Natashō merged into the town of Ōi, in Ōi District.As of 2003, the village had an estimated population of 2,818 and a density of 19.59 persons per km². The total area was 143.83 km²....
  
   from Onyū District
  Onyu District, Fukui
  was a district located in Wakasa Province, Fukui, Japan until 2005.The time before the dissolution, the district had an area of 143.83km² with an estimated population of 2,747 with an area of 1,088 and a density of 49.08 persons per square kilometer. The total area is 225.91 km²...
  
   merged into the town of Ōi
  Oi, Fukui
  is a town located in Ōi District, Fukui, Japan.As of 2005, the town has an estimated population of 9,216 and a density of 43 persons per km². The total area is 212 km²....
  
  from Ōi District
  Oi District, Fukui
  is a district located in Fukui, Japan.As of 2003, the district has an estimated population of 18,680 and a density of 133.18 persons per km². The total area is 140.26 km².-Merger:...
  
  . Onyū District
  Onyu District, Fukui
  was a district located in Wakasa Province, Fukui, Japan until 2005.The time before the dissolution, the district had an area of 143.83km² with an estimated population of 2,747 with an area of 1,088 and a density of 49.08 persons per square kilometer. The total area is 225.91 km²...
  
   was dissolved with this merger.

• On March 20, 2006 - the towns of Harue
  Harue, Fukui
  was a town located in Sakai District, Fukui, Japan.On March 20, 2006 Harue, the towns of Maruoka, Mikuni and Sakai were merged to form the new city of Sakai....
  
  , Maruoka
  Maruoka, Fukui
  was a town located in Sakai District, Fukui, Japan.On March 20, 2006 Maruoka, the towns of Harue, Mikuni and Sakai were merged to form the new city of Sakai....
  
  , Mikuni
  Mikuni, Fukui
  was a town located in Sakai District, Fukui, Japan.On March 20, 2006, Mikini, the towns of Harue, Maruoka and Sakai were merged to form the new city of Sakai....
  
   and Sakai
  Sakai, Fukui
  is a city located in Fukui, Japan. It lies to the north of Fukui City. It was founded on March 20, 2006, by the merger of the towns of Harue, Maruoka, Mikuni, and Sakai of the former Sakai District, which was dissolved in this merger....
  
   from Sakai District
  Sakai District, Fukui
  Sakai was a district located in Fukui, Japan.As of October 1, 2005, the district had an estimated population of 92,312 and a density of 439.77 persons per km²...
  
   merged, forming the new city of Sakai
  Sakai, Fukui
  is a city located in Fukui, Japan. It lies to the north of Fukui City. It was founded on March 20, 2006, by the merger of the towns of Harue, Maruoka, Mikuni, and Sakai of the former Sakai District, which was dissolved in this merger....
  
  . Sakai District
  Sakai District, Fukui
  Sakai was a district located in Fukui, Japan.As of October 1, 2005, the district had an estimated population of 92,312 and a density of 439.77 persons per km²...
  
  was dissolved with this merger.