Uxo (Spanish: Ujo) is one of 15 parishes (administrative divisions) in Mieres, a municipality within the province and autonomous community of Asturias, in northern Spain.

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) You can help expand this article with text translated from the corresponding article in Spanish. (April 2009) Click [show] for important translation instructions. View a machine-translated version of the Spanish article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Spanish Wikipedia article at [[:es:Ujo]]; see its history for attribution. You may also add the template {{Translated|es|Ujo}} to the talk page. For more guidance, see Wikipedia:Translation. You can help expand this article with text translated from the corresponding article in Asturian. (April 2009) Click [show] for important translation instructions. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Asturian Wikipedia article at [[:ast:Uxo]]; see its history for attribution. You may also add the template {{Translated|ast|Uxo}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts Country, Autonomous community ...

Uxo
Parish
Uxo
Coordinates: 43.2°N 5.783333°W / 43.2; -5.783333
Country	Spain
Autonomous community	Asturias
Province	Asturias
Municipality	Mieres
Population  (2013)
• Total	2,183

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It is divided into two zones, physically separated by the Renfe railway.

It has a population of approximately 1920, which has been progressively decreasing because of the decrease in the coal mining activity, which was of great importance in the region until the late 20th century. Some of its most important neighborhoods are La Vega, San José, Santa Olaya, Cortina and La Estación.

Its most important buildings are the Santa Eulalia church, built in the 12th century and declared Bien de interés cultural.Also noteworthy are the workers' and senior managers' houses derived from mining activity, with numerous examples remaining from the 19th and 20th centuries. Uxo was also an important railway junction as it had a large locomotive workshop, now abandoned, built in 1924 and which included numerous homes for railway workers in its towers.

Its local holiday is on May 1st, Saint Joseph the worker.

It is communicated by the A-66 motorway, the N-630, MI-1, AS-112, AS-242, FEVE and RENFE railways. It is located 5 km from the town of Mieres, 21 from Oviedo and 38 from Gijón.

Its name is derived from the vulgar Latin word ustium, meaning entrance or exit. The meaning adequates with its toponomy, as Uxo is a natural entrance to river Caudal. The roman origin of its name makes it clear that it was once a roman settlement, or at least one with enough roman influence to have adopted this name.