Strękowo-Nieczykowskie is not a widely recognized term in contemporary geographical, administrative, or historical encyclopedias. The term appears to be a Polish toponym, likely designating a specific locality, historical settlement, or land tract in north-eastern Poland.
The name is a compound of two elements common to the Podlaskie Voivodeship: "Strękowo," which is the name of established villages in districts such as Gmina Czyżew and Gmina Szumowo, and "Nieczykowskie," an adjectival form likely derived from the nearby locality of Nieczyki or related family names. While both components are associated with the Wysokie Mazowieckie County region, the specific hyphenated form "Strękowo-Nieczykowskie" does not appear as an independent primary unit in modern official Polish administrative registers, such as TERYT (the National Register of Territorial Land Apportionment Journal).
It is plausible that the term refers to a historical manor, a specific neighborhood, or a division of land used in older cadastral records that has since been renamed, merged, or fallen out of common usage. Due to the lack of verifiable data in standard reference works, its precise status and history remain unconfirmed.