Plana Baixa ( es, Plana Baja) is a ''comarca'' in the

province A province is almost always an administrative division within a country or state. The term derives from the ancient Roman ''provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions out ...

of Castellón,

Valencian Community The Valencian Community ( ca-valencia, Comunitat Valenciana, es, Comunidad Valenciana) is an autonomous community of Spain. It is the fourth most populous Spanish autonomous community after Andalusia, Catalonia and the Community of Madrid wi ...

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ...

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

Millars River The Mijares or Millars ( es, Mijares, ca, Millars, an, Millars) is a river in Aragon and the Valencian Community, eastern Spain. It flows into the Mediterranean Sea between Almassora and Burriana. The Mijares River marks the southernmost limit ...

Municipalities

The ''comarca'' is composed of 20

municipalities A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the ...

, listed below with their populations at the 2001 and 2011 Censuses, and according to the latest official estimates:

References

Comarques of the Valencian Community Geography of the Province of Castellón {{Valencia-geo-stub