Terra baixa (Catalan pronunciation: [ˈtɛrə ˈβaʃə], meaning in English Lowlands, also known as Martha of the Lowlands) is a Catalan-language play written by Àngel Guimerà in 1896. The drama is considered his most popular work, having become an international sensation after its premiere.^[1]

You can help expand this article with text translated from the corresponding article in Catalan. (April 2009) Click [show] for important translation instructions. 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 Catalan Wikipedia article at [[:ca:Terra baixa]]; see its history for attribution. You may also add the template {{Translated|ca|Terra baixa}} to the talk page. For more guidance, see Wikipedia:Translation.

It served as the basis for three operas, among them Tiefland, by Eugen d'Albert,^[2] which in turn served as the basis for two films, including one by Leni Riefenstahl. Six other films based directly on the play were also made.^{[3][4][5][6][7]}

• Terra baixa, directed by Fructuós Gelabert and Narciso Cuyàs (Spain, 1907)
• Feudalismo, directed by Alfredo Robert (Italy, 1912)
• Tierra baja, directed by Mario Gallo (Argentina, 1912)
• Marta of the Lowlands, directed by J. Searle Dawley (1914)
• Tiefland, directed by Friedrich Rosenthal and Hans Rhoden [de] (Austria, 1918, based on the opera Tiefland)
• Under the Mountains, directed by Béla Balogh (Hungary, 1920, based on the opera Tiefland)
• Lowlands, directed by Adolf E. Licho (Germany, 1922, based on the opera Tiefland)
• Tierra baja, directed by Miguel Zacarías (Mexico, 1951)
• Tiefland, directed by Leni Riefenstahl (Germany, 1940–54, based on the opera Tiefland)
• Tiefland, directed by Werner Kelch (West Germany, 1964, TV film, based on the opera Tiefland)
• Tierra Baja, directed by Cayetano Luca de Tena [es] (Spain, 1971, TV film)
• Terra baixa, directed by Mercè Vilaret i Llop [ca] (Spain, 1982, video)
• Terra baixa, directed by Josep Montanyès [es] (Spain, 1991, TV film)
• Terra baixa, directed by Isidro Ortiz [es] (Spain, 2011)