noun
unnumbered plot of land; location without an address
Used in Japanese address systems to refer to a plot of land that has no assigned block number (番地), often in rural or newly developed areas. Compare with 番外地, which can imply a location outside the regular address system.
See also: 番外地
この土地は無番地なので、郵便物が届きにくい。
This plot of land is unnumbered, so mail delivery is difficult.
登記簿には無番地と記載されていた。
It was recorded as an unnumbered plot in the registry.
Compound of 無 (mu, 'without') + 番地 (banchi, 'address number, block number'). The term is straightforward and transparent.