found: Cruz Jaca Legorburu, A. Ensayo para una historia de Urretxu, 1983.
notfound: BGN (not verified)
found: GeoNames, algorithmically matched, 2009(ppl; 43°05ʹ28ʺN 002°19ʹ01ʺW)
found: Ayerbe Iríbar, Ma. Rosa. Documentación medieval de los Archivos Municipales de Urretxu (1310-1516) y Zumarraga (1202-1518), 2009 :page 17, etc. (Villarreal d'Urrechua; la villa de Villarreal de Urrechu; vibientes de la ya dicha yglesia de Urrechu; Villarreal de Vrrechu; Villarreal de Vrrechua; Villarreal de Urrechua; vescinos de la dicha Villarreal)
found: GeoNames, viewed 24 February 2020(43° 05' 19" N, 002° 18' 57" W ; Villarreal de Urrechu, Euskadi, Spain, populated place ; Variant name Villarea de Urrechu)
found: Wikipedia viewed 24 February 2020(Urrextu (Spanish: Villareal de Urrechu) is a town located in the province of Gipuzkoa in the Autonomous Community of the Basque Country, northern Spain)
found: Wikidata viewed 24 February 2020(Urretxu; Spanish: Villarreal de Urrechua)
