Plana Baixa (; ) is a comarca in the province of Castellón, Valencian Community, Spain.

The main source of water for irrigation in the area is the Millars River.

Municipalities The comarca is composed of 20 municipalities, listed below with their populations at the 2001 and 2011 Censuses, and according to the latest official estimates:

Name Population(2001)Census of 1 November 2001: Instituto Nacional de Estadística, Madrid, 2019. Population(2011)Census of 1 November 2011: Instituto Nacional de Estadística, Madrid, 2019. Population(2019)Official estimate as at 1 January 2019: Instituto Nacional de Estadística, Madrid, 2019. Aín 155 139 127 L'Alcúdia de Veo 199 221 190 Alfondeguilla 921 879 866 Almenara 4,947 6,059 5,998 Les Alqueries 3,594 4,452 4,449 Artana 1,870 1,956 1,947 Betxí 5,315 5,772 5,645 Borriana / Burriana 26,757 35,044 34,683 Xilxes 2,347 2,853 2,679 Eslida 764 917 759 La Llosa 908 949 951 Moncofa 4,024 6,390 6,525 Nules 11,542 13,549 13,103 Onda 20,019 25,089 24,859 Ribesalbes 1,262 1,320 1,174 Suera / Sueras 575 634 525 Tales 724 897 825 La Vall d'Uixó 28,964 32,733 31,660 La Vilavella 3,363 3,279 3,157 Vila-real 42,442 50,747 50,893

References