Chubut (Spanish: Provincia del Chubut, IPA: [tʃuˈβut]; CHOO-boot; Welsh: Talaith Chubut) is a province in southern Argentina, situated between the 42nd parallel south (the border with Río Negro Province), the 46th parallel south (bordering Santa Cruz Province), the Andes range to the west, and the Atlantic ocean to the east. The province's name derives from the Tehuelche word chupat, meaning "transparent," their description of the Chubut River.
The largest city is Comodoro Rivadavia in the south of the province; it has 180,000 inhabitants, . The administrative capital is Rawson (40,000). Other important cities are Puerto Madryn, Trelew, Esquel and Sarmiento. Gaiman is a cultural and demographic centre of the region known as "Y Wladfa" in which Welsh-Argentines are concentrated. Of the 25,000 Welsh speakers in Argentina, many are in the Chubut region, particularly in the original Welsh settlements of Trelew and Trevelin.