Toyama Domain

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Toyama Castle

Toyama Domain (富山藩, Toyama han) a feudal domain in Edo period Japan, located in Etchū Province (modern-day Toyama Prefecture), Japan. It was centered on Toyama Castle in what is now the city of Toyama. Throughout its history, it was ruled by a branch of the Maeda clan.


In 1639, the 3rd daimyō of Kaga Domain, Maeda Toshitsune, retired from office, and divided his domain among his three sons. Kaga Domain went to Maeda Mitsutaka; however, a 100,000 koku holding was created for his second son Maeda Toshitsugu (Toyama Domain), and a 70,000 koku holding for his third son Maeda Toshiharu (Daishōji Domain)

Initially, Toyama Domain consisted of several discontinuous areas: 60,000 koku in Nei District, 16,800 koku in Niikawa District (west bank of the Kurobe River, 3170 koku in seven villages around to town of Toyama and an exclave in Kaga Province of 20,000 koku in Nomi District. Although Maeda Toshitsugu moved into Toyama Castle in 1640, initially the castle itself remained part of Kaga Domain and he intended to construct a new castle in a different location within Nei District. However, he was unable to raise the funds for this endeavor and in 1659 reached an agreement with Kaga Domain to exchange the holdings in Niikawa District and the exclave in Kaga Province for Toyama Castle and the surrounding 27,000 koku of lands. In 1661, he received permission from the Tokugawa shogunate to rebuild the castle and to layout a new castle town.

With the development of new rice lands, by the Kyōhō era (1716-1735), the kokudaka of Toyama Province was assessed at 140,000 koku. The domain had several other sources of income, including fishing, the production of Traditional Chinese medicines, production of washi paper, and sericulture, which raised its actual kokudaka to over 200,000 koku. However, this did not mean that the domain was very prosperous, as its subordinate position to Kaga Domain meant that extra revenues were constantly being drained off to repay the debts of the parent domain. Also, Toyama was subject to frequent flooding and other natural disasters. In 1831, most of the town burned down in a fire, and in 1858 an earthquake followed by flooding again destroyed most of the town. The domain under Maeda Toshiatsu was forced to turn to Kaga Domain for financial assistance and to help suppress peasant revolts.

During the Boshin War of the Meiji restoration, the domain sided with the imperial forces, and supplied four companies of soldiers (158 men) in the Battle of Hokuetsu against Nagaoka Domain.

After the end of the conflict, with the abolition of the han system in July 1871, Toyama Domain became “Toyama Prefecture”, which merged with Ishikawa Prefecture in April 1876. It was separated back out as Toyama Prefecture in May 1883.

Bakumatsu period holdings[edit]

As with most domains in the han system, Toyama Domain consisted of discontinuous territories calculated to provide the assigned kokudaka, based on periodic cadastral surveys and projected agricultural yields.[1][2] At the end of the Tokugawa shogunate, the domain consisted of the following holdings:

  • Etchū Province
    • 180 villages in Nomi District
    • 64 villages in Niikawa District

List of daimyō[edit]

# Name Tenure Courtesy title Court Rank kokudaka
Japanese crest Kaga Umebachi.svg Maeda clan (tozama) 1639-1871
1 Maeda Toshitsugu (前田利次) 1639-1674 Awa-no-kami (淡路守) Lower 4th (従四位下) 100,000 koku
2 Maeda Masatoshi (前田正甫) 1674-1706 Ōkura-no-shoyu (大蔵少輔) Lower 4th (従四位下) 100,000 koku
3 Maeda Toshioki (前田利興) 1706-1724 Nagato-no-kami (長門守) Lower 4th (従四位下) 100,000 -> 140,000 koku
4 Maeda Toshitaka (前田利隆) 1724-1744 Izumo-no-kami (出雲守) Lower 4th (従四位下) 140,000 koku
5 Maeda Toshiyuki (前田利幸) 1745-1762 Izumo-no-kami (出雲守) Lower 5th (従五位下) 140,000 koku
6 Maeda Toshitomo (前田利與) 1762-1777 Awa-no-kami (淡路守) Lower 4th (従四位下) 140,000 koku
7 Maeda Toshihisa (前田利久) 1777-1787 Nagato-no-kami (長門守) Lower 4th (従四位下) 140,000 koku
8 Maeda Toshinori (前田利謙) 1787-1801 Izumo-no-kami (出雲守) Lower 4th (従四位下) 140,000 koku
9 Maeda Toshitsuyo (前田利幹) 1801-1835 Izumo-no-kami (出雲守) Lower 5th (従五位下) 140,000 koku
10 Maeda Toshiyasu (前田利保) 1835-1846 Izumo-no-kami (出雲守) Lower 4th (従四位下) 140,000 koku
11 Maeda Toshitomo (前田利友) 1846-1853 Izumo-no-kami (出雲守) Lower 4th (従四位下) 140,000 koku
12 Maeda Toshikata (前田利聲) 1854-1859 Ōkura-no-shoyu (大蔵少輔) Lower 4th (従四位下) 140,000 koku
13 Maeda Toshiatsu (前田利同) 1859-1871 Awa-no-kami (淡路守) Lower 4th (従四位下) 140,000 koku

Further reading[edit]

  • Papinot, E (1910). Historical and Geographic Dictionary of Japan. Tuttle (reprint) 1972. 

External links[edit]


  1. ^ Mass, Jeffrey P. and William B. Hauser. (1987). The Bakufu in Japanese History, p. 150.
  2. ^ Elison, George and Bardwell L. Smith (1987). Warlords, Artists, & Commoners: Japan in the Sixteenth Century, p. 18.